645748740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{773}}^1$

素因数の和:828

約数の個数: 384

約数和(自身を含む): 2621445120

約数和(自身を除く): 1975696380

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, 315, 340, 351, 357, 364, 378, 390, 420, 442, 455, 459, 468, 476, 510, 540, 546, 585, 595, 612, 630, 663, 702, 714, 756, 765, 773, 780, 819, 884, 910, 918, 945, 1020, 1071, 1092, 1105, 1170, 1190, 1260, 1326, 1365, 1404, 1428, 1530, 1546, 1547, 1638, 1755, 1785, 1820, 1836, 1890, 1989, 2142, 2210, 2295, 2319, 2340, 2380, 2457, 2652, 2730, 3060, 3092, 3094, 3213, 3276, 3315, 3510, 3570, 3780, 3865, 3978, 4095, 4284, 4420, 4590, 4638, 4641, 4914, 5355, 5411, 5460, 5967, 6188, 6426, 6630, 6957, 7020, 7140, 7730, 7735, 7956, 8190, 9180, 9276, 9282, 9828, 9945, 10049, 10710, 10822, 11595, 11934, 12285, 12852, 13141, 13260, 13914, 13923, 15460, 15470, 16065, 16233, 16380, 18564, 19890, 20098, 20871, 21420, 21644, 23190, 23205, 23868, 24570, 26282, 27055, 27828, 27846, 29835, 30147, 30940, 32130, 32466, 34785, 39423, 39780, 40196, 41742, 41769, 46380, 46410, 48699, 49140, 50245, 52564, 54110, 55692, 59670, 60294, 64260, 64932, 65705, 69570, 69615, 70343, 78846, 81165, 83484, 83538, 90441, 91987, 92820, 97398, 100490, 104355, 108220, 118269, 119340, 120588, 131410, 139140, 139230, 140686, 146097, 150735, 157692, 162330, 167076, 170833, 180882, 183974, 194796, 197115, 200980, 208710, 208845, 211029, 236538, 243495, 262820, 271323, 275961, 278460, 281372, 292194, 301470, 324660, 341666, 351715, 354807, 361764, 367948, 394230, 417420, 417690, 422058, 452205, 459935, 473076, 486990, 512499, 542646, 551922, 584388, 591345, 602940, 633087, 683332, 703430, 709614, 730485, 788460, 827883, 835380, 844116, 854165, 904410, 919870, 973980, 1024998, 1055145, 1085292, 1103844, 1182690, 1195831, 1266174, 1356615, 1379805, 1406860, 1419228, 1460970, 1537497, 1655766, 1708330, 1774035, 1808820, 1839740, 1899261, 2049996, 2110290, 2365380, 2391662, 2483649, 2532348, 2562495, 2713230, 2759610, 2921940, 3074994, 3165435, 3311532, 3416660, 3548070, 3587493, 3798522, 4139415, 4220580, 4612491, 4783324, 4967298, 5124990, 5426460, 5519220, 5979155, 6149988, 6330870, 7096140, 7174986, 7597044, 7687485, 8278830, 9224982, 9496305, 9934596, 10249980, 10762479, 11958310, 12418245, 12661740, 14349972, 15374970, 16557660, 17937465, 18449964, 18992610, 21524958, 23062455, 23916620, 24836490, 30749940, 32287437, 35874930, 37985220, 43049916, 46124910, 49672980, 53812395, 64574874, 71749860, 92249820, 107624790, 129149748, 161437185, 215249580, 322874370, 645748740]

約数ペア:

[(1, 645748740), (2, 322874370), (3, 215249580), (4, 161437185), (5, 129149748), (6, 107624790), (7, 92249820), (9, 71749860), (10, 64574874), (12, 53812395), (13, 49672980), (14, 46124910), (15, 43049916), (17, 37985220), (18, 35874930), (20, 32287437), (21, 30749940), (26, 24836490), (27, 23916620), (28, 23062455), (30, 21524958), (34, 18992610), (35, 18449964), (36, 17937465), (39, 16557660), (42, 15374970), (45, 14349972), (51, 12661740), (52, 12418245), (54, 11958310), (60, 10762479), (63, 10249980), (65, 9934596), (68, 9496305), (70, 9224982), (78, 8278830), (84, 7687485), (85, 7597044), (90, 7174986), (91, 7096140), (102, 6330870), (105, 6149988), (108, 5979155), (117, 5519220), (119, 5426460), (126, 5124990), (130, 4967298), (135, 4783324), (140, 4612491), (153, 4220580), (156, 4139415), (170, 3798522), (180, 3587493), (182, 3548070), (189, 3416660), (195, 3311532), (204, 3165435), (210, 3074994), (221, 2921940), (234, 2759610), (238, 2713230), (252, 2562495), (255, 2532348), (260, 2483649), (270, 2391662), (273, 2365380), (306, 2110290), (315, 2049996), (340, 1899261), (351, 1839740), (357, 1808820), (364, 1774035), (378, 1708330), (390, 1655766), (420, 1537497), (442, 1460970), (455, 1419228), (459, 1406860), (468, 1379805), (476, 1356615), (510, 1266174), (540, 1195831), (546, 1182690), (585, 1103844), (595, 1085292), (612, 1055145), (630, 1024998), (663, 973980), (702, 919870), (714, 904410), (756, 854165), (765, 844116), (773, 835380), (780, 827883), (819, 788460), (884, 730485), (910, 709614), (918, 703430), (945, 683332), (1020, 633087), (1071, 602940), (1092, 591345), (1105, 584388), (1170, 551922), (1190, 542646), (1260, 512499), (1326, 486990), (1365, 473076), (1404, 459935), (1428, 452205), (1530, 422058), (1546, 417690), (1547, 417420), (1638, 394230), (1755, 367948), (1785, 361764), (1820, 354807), (1836, 351715), (1890, 341666), (1989, 324660), (2142, 301470), (2210, 292194), (2295, 281372), (2319, 278460), (2340, 275961), (2380, 271323), (2457, 262820), (2652, 243495), (2730, 236538), (3060, 211029), (3092, 208845), (3094, 208710), (3213, 200980), (3276, 197115), (3315, 194796), (3510, 183974), (3570, 180882), (3780, 170833), (3865, 167076), (3978, 162330), (4095, 157692), (4284, 150735), (4420, 146097), (4590, 140686), (4638, 139230), (4641, 139140), (4914, 131410), (5355, 120588), (5411, 119340), (5460, 118269), (5967, 108220), (6188, 104355), (6426, 100490), (6630, 97398), (6957, 92820), (7020, 91987), (7140, 90441), (7730, 83538), (7735, 83484), (7956, 81165), (8190, 78846), (9180, 70343), (9276, 69615), (9282, 69570), (9828, 65705), (9945, 64932), (10049, 64260), (10710, 60294), (10822, 59670), (11595, 55692), (11934, 54110), (12285, 52564), (12852, 50245), (13141, 49140), (13260, 48699), (13914, 46410), (13923, 46380), (15460, 41769), (15470, 41742), (16065, 40196), (16233, 39780), (16380, 39423), (18564, 34785), (19890, 32466), (20098, 32130), (20871, 30940), (21420, 30147), (21644, 29835), (23190, 27846), (23205, 27828), (23868, 27055), (24570, 26282)]