76878760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:587

約数の個数: 128

約数和(自身を含む): 216483840

約数和(自身を除く): 139605080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 310, 340, 434, 476, 521, 527, 595, 620, 680, 868, 952, 1042, 1054, 1085, 1190, 1240, 1736, 2084, 2108, 2170, 2380, 2605, 2635, 3647, 3689, 4168, 4216, 4340, 4760, 5210, 5270, 7294, 7378, 8680, 8857, 10420, 10540, 14588, 14756, 16151, 17714, 18235, 18445, 20840, 21080, 29176, 29512, 32302, 35428, 36470, 36890, 44285, 61999, 64604, 70856, 72940, 73780, 80755, 88570, 113057, 123998, 129208, 145880, 147560, 161510, 177140, 226114, 247996, 274567, 309995, 323020, 354280, 452228, 495992, 549134, 565285, 619990, 646040, 904456, 1098268, 1130570, 1239980, 1372835, 1921969, 2196536, 2261140, 2479960, 2745670, 3843938, 4522280, 5491340, 7687876, 9609845, 10982680, 15375752, 19219690, 38439380, 76878760]

約数ペア:

[(1, 76878760), (2, 38439380), (4, 19219690), (5, 15375752), (7, 10982680), (8, 9609845), (10, 7687876), (14, 5491340), (17, 4522280), (20, 3843938), (28, 2745670), (31, 2479960), (34, 2261140), (35, 2196536), (40, 1921969), (56, 1372835), (62, 1239980), (68, 1130570), (70, 1098268), (85, 904456), (119, 646040), (124, 619990), (136, 565285), (140, 549134), (155, 495992), (170, 452228), (217, 354280), (238, 323020), (248, 309995), (280, 274567), (310, 247996), (340, 226114), (434, 177140), (476, 161510), (521, 147560), (527, 145880), (595, 129208), (620, 123998), (680, 113057), (868, 88570), (952, 80755), (1042, 73780), (1054, 72940), (1085, 70856), (1190, 64604), (1240, 61999), (1736, 44285), (2084, 36890), (2108, 36470), (2170, 35428), (2380, 32302), (2605, 29512), (2635, 29176), (3647, 21080), (3689, 20840), (4168, 18445), (4216, 18235), (4340, 17714), (4760, 16151), (5210, 14756), (5270, 14588), (7294, 10540), (7378, 10420), (8680, 8857)]