72581880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1309

約数の個数: 128

約数和(自身を含む): 252564480

約数和(自身を除く): 179982600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1217, 1420, 1491, 1704, 1988, 2130, 2434, 2485, 2840, 2982, 3651, 3976, 4260, 4868, 4970, 5964, 6085, 7302, 7455, 8519, 8520, 9736, 9940, 11928, 12170, 14604, 14910, 17038, 18255, 19880, 24340, 25557, 29208, 29820, 34076, 36510, 42595, 48680, 51114, 59640, 68152, 73020, 85190, 86407, 102228, 127785, 146040, 170380, 172814, 204456, 255570, 259221, 340760, 345628, 432035, 511140, 518442, 604849, 691256, 864070, 1022280, 1036884, 1209698, 1296105, 1728140, 1814547, 2073768, 2419396, 2592210, 3024245, 3456280, 3629094, 4838792, 5184420, 6048490, 7258188, 9072735, 10368840, 12096980, 14516376, 18145470, 24193960, 36290940, 72581880]

約数ペア:

[(1, 72581880), (2, 36290940), (3, 24193960), (4, 18145470), (5, 14516376), (6, 12096980), (7, 10368840), (8, 9072735), (10, 7258188), (12, 6048490), (14, 5184420), (15, 4838792), (20, 3629094), (21, 3456280), (24, 3024245), (28, 2592210), (30, 2419396), (35, 2073768), (40, 1814547), (42, 1728140), (56, 1296105), (60, 1209698), (70, 1036884), (71, 1022280), (84, 864070), (105, 691256), (120, 604849), (140, 518442), (142, 511140), (168, 432035), (210, 345628), (213, 340760), (280, 259221), (284, 255570), (355, 204456), (420, 172814), (426, 170380), (497, 146040), (568, 127785), (710, 102228), (840, 86407), (852, 85190), (994, 73020), (1065, 68152), (1217, 59640), (1420, 51114), (1491, 48680), (1704, 42595), (1988, 36510), (2130, 34076), (2434, 29820), (2485, 29208), (2840, 25557), (2982, 24340), (3651, 19880), (3976, 18255), (4260, 17038), (4868, 14910), (4970, 14604), (5964, 12170), (6085, 11928), (7302, 9940), (7455, 9736), (8519, 8520)]