66438960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:651

約数の個数: 160

約数和(自身を含む): 239127552

約数和(自身を除く): 172688592

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 557, 560, 568, 710, 840, 852, 994, 1065, 1114, 1136, 1420, 1491, 1671, 1680, 1704, 1988, 2130, 2228, 2485, 2785, 2840, 2982, 3342, 3408, 3899, 3976, 4260, 4456, 4970, 5570, 5680, 5964, 6684, 7455, 7798, 7952, 8355, 8520, 8912, 9940, 11140, 11697, 11928, 13368, 14910, 15596, 16710, 17040, 19495, 19880, 22280, 23394, 23856, 26736, 29820, 31192, 33420, 38990, 39547, 39760, 44560, 46788, 58485, 59640, 62384, 66840, 77980, 79094, 93576, 116970, 118641, 119280, 133680, 155960, 158188, 187152, 197735, 233940, 237282, 276829, 311920, 316376, 395470, 467880, 474564, 553658, 593205, 632752, 790940, 830487, 935760, 949128, 1107316, 1186410, 1384145, 1581880, 1660974, 1898256, 2214632, 2372820, 2768290, 3163760, 3321948, 4152435, 4429264, 4745640, 5536580, 6643896, 8304870, 9491280, 11073160, 13287792, 16609740, 22146320, 33219480, 66438960]

約数ペア:

[(1, 66438960), (2, 33219480), (3, 22146320), (4, 16609740), (5, 13287792), (6, 11073160), (7, 9491280), (8, 8304870), (10, 6643896), (12, 5536580), (14, 4745640), (15, 4429264), (16, 4152435), (20, 3321948), (21, 3163760), (24, 2768290), (28, 2372820), (30, 2214632), (35, 1898256), (40, 1660974), (42, 1581880), (48, 1384145), (56, 1186410), (60, 1107316), (70, 949128), (71, 935760), (80, 830487), (84, 790940), (105, 632752), (112, 593205), (120, 553658), (140, 474564), (142, 467880), (168, 395470), (210, 316376), (213, 311920), (240, 276829), (280, 237282), (284, 233940), (336, 197735), (355, 187152), (420, 158188), (426, 155960), (497, 133680), (557, 119280), (560, 118641), (568, 116970), (710, 93576), (840, 79094), (852, 77980), (994, 66840), (1065, 62384), (1114, 59640), (1136, 58485), (1420, 46788), (1491, 44560), (1671, 39760), (1680, 39547), (1704, 38990), (1988, 33420), (2130, 31192), (2228, 29820), (2485, 26736), (2785, 23856), (2840, 23394), (2982, 22280), (3342, 19880), (3408, 19495), (3899, 17040), (3976, 16710), (4260, 15596), (4456, 14910), (4970, 13368), (5570, 11928), (5680, 11697), (5964, 11140), (6684, 9940), (7455, 8912), (7798, 8520), (7952, 8355)]