644077980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 480

約数和(自身を含む): 2643290496

約数和(自身を除く): 1999212516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 26, 27, 28, 30, 34, 35, 36, 39, 42, 45, 51, 52, 54, 60, 63, 65, 68, 70, 78, 81, 84, 85, 90, 91, 102, 105, 108, 117, 119, 126, 130, 135, 140, 153, 156, 162, 170, 180, 182, 189, 195, 204, 210, 221, 234, 238, 252, 255, 257, 260, 270, 273, 306, 315, 324, 340, 351, 357, 364, 378, 390, 405, 420, 442, 455, 459, 468, 476, 510, 514, 540, 546, 567, 585, 595, 612, 630, 663, 702, 714, 756, 765, 771, 780, 810, 819, 884, 910, 918, 945, 1020, 1028, 1053, 1071, 1092, 1105, 1134, 1170, 1190, 1260, 1285, 1326, 1365, 1377, 1404, 1428, 1530, 1542, 1547, 1620, 1638, 1755, 1785, 1799, 1820, 1836, 1890, 1989, 2106, 2142, 2210, 2268, 2295, 2313, 2340, 2380, 2457, 2570, 2652, 2730, 2754, 2835, 3060, 3084, 3094, 3213, 3276, 3315, 3341, 3510, 3570, 3598, 3780, 3855, 3978, 4095, 4212, 4284, 4369, 4420, 4590, 4626, 4641, 4914, 5140, 5265, 5355, 5397, 5460, 5508, 5670, 5967, 6188, 6426, 6630, 6682, 6885, 6939, 7020, 7140, 7196, 7371, 7710, 7735, 7956, 8190, 8738, 8995, 9180, 9252, 9282, 9639, 9828, 9945, 10023, 10530, 10710, 10794, 11340, 11565, 11934, 12285, 12852, 13107, 13260, 13364, 13770, 13878, 13923, 14742, 15420, 15470, 16065, 16191, 16380, 16705, 17476, 17901, 17990, 18564, 19278, 19890, 20046, 20817, 21060, 21420, 21588, 21845, 23130, 23205, 23387, 23868, 24570, 26214, 26985, 27540, 27756, 27846, 29484, 29835, 30069, 30583, 30940, 32130, 32382, 33410, 34695, 35802, 35980, 36855, 38556, 39321, 39780, 40092, 41634, 41769, 43690, 46260, 46410, 46774, 48195, 48573, 49140, 50115, 52428, 53970, 55692, 56797, 59670, 60138, 61166, 64260, 64764, 65535, 66820, 69390, 69615, 70161, 71604, 73710, 78642, 80955, 83268, 83538, 87380, 89505, 90207, 91749, 92820, 93548, 96390, 97146, 100230, 104085, 107940, 113594, 116935, 117963, 119340, 120276, 122332, 125307, 131070, 138780, 139230, 140322, 145719, 147420, 150345, 152915, 157284, 161910, 167076, 170391, 179010, 180414, 183498, 192780, 194292, 196605, 200460, 208170, 208845, 210483, 227188, 233870, 235926, 242865, 250614, 262140, 270621, 275247, 278460, 280644, 283985, 291438, 300690, 305830, 323820, 340782, 350805, 353889, 358020, 360828, 366996, 393210, 397579, 416340, 417690, 420966, 451035, 458745, 467740, 471852, 485730, 501228, 511173, 541242, 550494, 567970, 582876, 589815, 601380, 611660, 626535, 631449, 681564, 701610, 707778, 728595, 786420, 795158, 825741, 835380, 841932, 851955, 902070, 917490, 971460, 1022346, 1052415, 1082484, 1100988, 1135940, 1179630, 1192737, 1253070, 1262898, 1353105, 1376235, 1403220, 1415556, 1457190, 1533519, 1590316, 1651482, 1703910, 1769445, 1804140, 1834980, 1894347, 1987895, 2044692, 2104830, 2359260, 2385474, 2477223, 2506140, 2525796, 2555865, 2706210, 2752470, 2914380, 3067038, 3157245, 3302964, 3407820, 3538890, 3578211, 3788694, 3975790, 4128705, 4209660, 4600557, 4770948, 4954446, 5111730, 5412420, 5504940, 5963685, 6134076, 6314490, 7077780, 7156422, 7577388, 7667595, 7951580, 8257410, 9201114, 9471735, 9908892, 10223460, 10734633, 11927370, 12386115, 12628980, 14312844, 15335190, 16514820, 17891055, 18402228, 18943470, 21469266, 23002785, 23854740, 24772230, 30670380, 32203899, 35782110, 37886940, 42938532, 46005570, 49544460, 53673165, 64407798, 71564220, 92011140, 107346330, 128815596, 161019495, 214692660, 322038990, 644077980]

約数ペア:

[(1, 644077980), (2, 322038990), (3, 214692660), (4, 161019495), (5, 128815596), (6, 107346330), (7, 92011140), (9, 71564220), (10, 64407798), (12, 53673165), (13, 49544460), (14, 46005570), (15, 42938532), (17, 37886940), (18, 35782110), (20, 32203899), (21, 30670380), (26, 24772230), (27, 23854740), (28, 23002785), (30, 21469266), (34, 18943470), (35, 18402228), (36, 17891055), (39, 16514820), (42, 15335190), (45, 14312844), (51, 12628980), (52, 12386115), (54, 11927370), (60, 10734633), (63, 10223460), (65, 9908892), (68, 9471735), (70, 9201114), (78, 8257410), (81, 7951580), (84, 7667595), (85, 7577388), (90, 7156422), (91, 7077780), (102, 6314490), (105, 6134076), (108, 5963685), (117, 5504940), (119, 5412420), (126, 5111730), (130, 4954446), (135, 4770948), (140, 4600557), (153, 4209660), (156, 4128705), (162, 3975790), (170, 3788694), (180, 3578211), (182, 3538890), (189, 3407820), (195, 3302964), (204, 3157245), (210, 3067038), (221, 2914380), (234, 2752470), (238, 2706210), (252, 2555865), (255, 2525796), (257, 2506140), (260, 2477223), (270, 2385474), (273, 2359260), (306, 2104830), (315, 2044692), (324, 1987895), (340, 1894347), (351, 1834980), (357, 1804140), (364, 1769445), (378, 1703910), (390, 1651482), (405, 1590316), (420, 1533519), (442, 1457190), (455, 1415556), (459, 1403220), (468, 1376235), (476, 1353105), (510, 1262898), (514, 1253070), (540, 1192737), (546, 1179630), (567, 1135940), (585, 1100988), (595, 1082484), (612, 1052415), (630, 1022346), (663, 971460), (702, 917490), (714, 902070), (756, 851955), (765, 841932), (771, 835380), (780, 825741), (810, 795158), (819, 786420), (884, 728595), (910, 707778), (918, 701610), (945, 681564), (1020, 631449), (1028, 626535), (1053, 611660), (1071, 601380), (1092, 589815), (1105, 582876), (1134, 567970), (1170, 550494), (1190, 541242), (1260, 511173), (1285, 501228), (1326, 485730), (1365, 471852), (1377, 467740), (1404, 458745), (1428, 451035), (1530, 420966), (1542, 417690), (1547, 416340), (1620, 397579), (1638, 393210), (1755, 366996), (1785, 360828), (1799, 358020), (1820, 353889), (1836, 350805), (1890, 340782), (1989, 323820), (2106, 305830), (2142, 300690), (2210, 291438), (2268, 283985), (2295, 280644), (2313, 278460), (2340, 275247), (2380, 270621), (2457, 262140), (2570, 250614), (2652, 242865), (2730, 235926), (2754, 233870), (2835, 227188), (3060, 210483), (3084, 208845), (3094, 208170), (3213, 200460), (3276, 196605), (3315, 194292), (3341, 192780), (3510, 183498), (3570, 180414), (3598, 179010), (3780, 170391), (3855, 167076), (3978, 161910), (4095, 157284), (4212, 152915), (4284, 150345), (4369, 147420), (4420, 145719), (4590, 140322), (4626, 139230), (4641, 138780), (4914, 131070), (5140, 125307), (5265, 122332), (5355, 120276), (5397, 119340), (5460, 117963), (5508, 116935), (5670, 113594), (5967, 107940), (6188, 104085), (6426, 100230), (6630, 97146), (6682, 96390), (6885, 93548), (6939, 92820), (7020, 91749), (7140, 90207), (7196, 89505), (7371, 87380), (7710, 83538), (7735, 83268), (7956, 80955), (8190, 78642), (8738, 73710), (8995, 71604), (9180, 70161), (9252, 69615), (9282, 69390), (9639, 66820), (9828, 65535), (9945, 64764), (10023, 64260), (10530, 61166), (10710, 60138), (10794, 59670), (11340, 56797), (11565, 55692), (11934, 53970), (12285, 52428), (12852, 50115), (13107, 49140), (13260, 48573), (13364, 48195), (13770, 46774), (13878, 46410), (13923, 46260), (14742, 43690), (15420, 41769), (15470, 41634), (16065, 40092), (16191, 39780), (16380, 39321), (16705, 38556), (17476, 36855), (17901, 35980), (17990, 35802), (18564, 34695), (19278, 33410), (19890, 32382), (20046, 32130), (20817, 30940), (21060, 30583), (21420, 30069), (21588, 29835), (21845, 29484), (23130, 27846), (23205, 27756), (23387, 27540), (23868, 26985), (24570, 26214)]