256461660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:362

約数の個数: 384

約数和(自身を含む): 1043159040

約数和(自身を除く): 786697380

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, 84, 85, 90, 91, 102, 105, 108, 117, 119, 126, 130, 135, 140, 153, 156, 170, 180, 182, 189, 195, 204, 210, 221, 234, 238, 252, 255, 260, 270, 273, 306, 307, 315, 340, 351, 357, 364, 378, 390, 420, 442, 455, 459, 468, 476, 510, 540, 546, 585, 595, 612, 614, 630, 663, 702, 714, 756, 765, 780, 819, 884, 910, 918, 921, 945, 1020, 1071, 1092, 1105, 1170, 1190, 1228, 1260, 1326, 1365, 1404, 1428, 1530, 1535, 1547, 1638, 1755, 1785, 1820, 1836, 1842, 1890, 1989, 2142, 2149, 2210, 2295, 2340, 2380, 2457, 2652, 2730, 2763, 3060, 3070, 3094, 3213, 3276, 3315, 3510, 3570, 3684, 3780, 3978, 3991, 4095, 4284, 4298, 4420, 4590, 4605, 4641, 4914, 5219, 5355, 5460, 5526, 5967, 6140, 6188, 6426, 6447, 6630, 7020, 7140, 7735, 7956, 7982, 8190, 8289, 8596, 9180, 9210, 9282, 9828, 9945, 10438, 10710, 10745, 11052, 11934, 11973, 12285, 12852, 12894, 13260, 13815, 13923, 15470, 15657, 15964, 16065, 16380, 16578, 18420, 18564, 19341, 19890, 19955, 20876, 21420, 21490, 23205, 23868, 23946, 24570, 25788, 26095, 27630, 27846, 27937, 29835, 30940, 31314, 32130, 32235, 33156, 35919, 36533, 38682, 39780, 39910, 41445, 41769, 42980, 46410, 46971, 47892, 49140, 52190, 55260, 55692, 55874, 58023, 59670, 59865, 62628, 64260, 64470, 67847, 69615, 71838, 73066, 77364, 78285, 79820, 82890, 83538, 83811, 92820, 93942, 96705, 104380, 107757, 109599, 111748, 116046, 119340, 119730, 128940, 135694, 139230, 139685, 140913, 143676, 146132, 156570, 165780, 167076, 167622, 179595, 182665, 187884, 193410, 203541, 208845, 215514, 219198, 232092, 234855, 239460, 251433, 271388, 278460, 279370, 281826, 290115, 313140, 328797, 335244, 339235, 359190, 365330, 386820, 407082, 417690, 419055, 431028, 438396, 469710, 474929, 502866, 538785, 547995, 558740, 563652, 580230, 610623, 657594, 678470, 704565, 718380, 730660, 754299, 814164, 835380, 838110, 939420, 949858, 986391, 1005732, 1017705, 1077570, 1095990, 1160460, 1221246, 1257165, 1315188, 1356940, 1409130, 1424787, 1508598, 1643985, 1676220, 1831869, 1899716, 1972782, 2035410, 2155140, 2191980, 2374645, 2442492, 2514330, 2818260, 2849574, 3017196, 3053115, 3287970, 3663738, 3771495, 3945564, 4070820, 4274361, 4749290, 4931955, 5028660, 5699148, 6106230, 6575940, 7123935, 7327476, 7542990, 8548722, 9159345, 9498580, 9863910, 12212460, 12823083, 14247870, 15085980, 17097444, 18318690, 19727820, 21371805, 25646166, 28495740, 36637380, 42743610, 51292332, 64115415, 85487220, 128230830, 256461660]

約数ペア:

[(1, 256461660), (2, 128230830), (3, 85487220), (4, 64115415), (5, 51292332), (6, 42743610), (7, 36637380), (9, 28495740), (10, 25646166), (12, 21371805), (13, 19727820), (14, 18318690), (15, 17097444), (17, 15085980), (18, 14247870), (20, 12823083), (21, 12212460), (26, 9863910), (27, 9498580), (28, 9159345), (30, 8548722), (34, 7542990), (35, 7327476), (36, 7123935), (39, 6575940), (42, 6106230), (45, 5699148), (51, 5028660), (52, 4931955), (54, 4749290), (60, 4274361), (63, 4070820), (65, 3945564), (68, 3771495), (70, 3663738), (78, 3287970), (84, 3053115), (85, 3017196), (90, 2849574), (91, 2818260), (102, 2514330), (105, 2442492), (108, 2374645), (117, 2191980), (119, 2155140), (126, 2035410), (130, 1972782), (135, 1899716), (140, 1831869), (153, 1676220), (156, 1643985), (170, 1508598), (180, 1424787), (182, 1409130), (189, 1356940), (195, 1315188), (204, 1257165), (210, 1221246), (221, 1160460), (234, 1095990), (238, 1077570), (252, 1017705), (255, 1005732), (260, 986391), (270, 949858), (273, 939420), (306, 838110), (307, 835380), (315, 814164), (340, 754299), (351, 730660), (357, 718380), (364, 704565), (378, 678470), (390, 657594), (420, 610623), (442, 580230), (455, 563652), (459, 558740), (468, 547995), (476, 538785), (510, 502866), (540, 474929), (546, 469710), (585, 438396), (595, 431028), (612, 419055), (614, 417690), (630, 407082), (663, 386820), (702, 365330), (714, 359190), (756, 339235), (765, 335244), (780, 328797), (819, 313140), (884, 290115), (910, 281826), (918, 279370), (921, 278460), (945, 271388), (1020, 251433), (1071, 239460), (1092, 234855), (1105, 232092), (1170, 219198), (1190, 215514), (1228, 208845), (1260, 203541), (1326, 193410), (1365, 187884), (1404, 182665), (1428, 179595), (1530, 167622), (1535, 167076), (1547, 165780), (1638, 156570), (1755, 146132), (1785, 143676), (1820, 140913), (1836, 139685), (1842, 139230), (1890, 135694), (1989, 128940), (2142, 119730), (2149, 119340), (2210, 116046), (2295, 111748), (2340, 109599), (2380, 107757), (2457, 104380), (2652, 96705), (2730, 93942), (2763, 92820), (3060, 83811), (3070, 83538), (3094, 82890), (3213, 79820), (3276, 78285), (3315, 77364), (3510, 73066), (3570, 71838), (3684, 69615), (3780, 67847), (3978, 64470), (3991, 64260), (4095, 62628), (4284, 59865), (4298, 59670), (4420, 58023), (4590, 55874), (4605, 55692), (4641, 55260), (4914, 52190), (5219, 49140), (5355, 47892), (5460, 46971), (5526, 46410), (5967, 42980), (6140, 41769), (6188, 41445), (6426, 39910), (6447, 39780), (6630, 38682), (7020, 36533), (7140, 35919), (7735, 33156), (7956, 32235), (7982, 32130), (8190, 31314), (8289, 30940), (8596, 29835), (9180, 27937), (9210, 27846), (9282, 27630), (9828, 26095), (9945, 25788), (10438, 24570), (10710, 23946), (10745, 23868), (11052, 23205), (11934, 21490), (11973, 21420), (12285, 20876), (12852, 19955), (12894, 19890), (13260, 19341), (13815, 18564), (13923, 18420), (15470, 16578), (15657, 16380), (15964, 16065)]