80532640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 96

約数和(自身を含む): 204120000

約数和(自身を除く): 123587360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 59, 76, 80, 95, 118, 152, 160, 190, 236, 295, 304, 380, 449, 472, 590, 608, 760, 898, 944, 1121, 1180, 1520, 1796, 1888, 2242, 2245, 2360, 3040, 3592, 4484, 4490, 4720, 5605, 7184, 8531, 8968, 8980, 9440, 11210, 14368, 17062, 17936, 17960, 22420, 26491, 34124, 35872, 35920, 42655, 44840, 52982, 68248, 71840, 85310, 89680, 105964, 132455, 136496, 170620, 179360, 211928, 264910, 272992, 341240, 423856, 503329, 529820, 682480, 847712, 1006658, 1059640, 1364960, 2013316, 2119280, 2516645, 4026632, 4238560, 5033290, 8053264, 10066580, 16106528, 20133160, 40266320, 80532640]

約数ペア:

[(1, 80532640), (2, 40266320), (4, 20133160), (5, 16106528), (8, 10066580), (10, 8053264), (16, 5033290), (19, 4238560), (20, 4026632), (32, 2516645), (38, 2119280), (40, 2013316), (59, 1364960), (76, 1059640), (80, 1006658), (95, 847712), (118, 682480), (152, 529820), (160, 503329), (190, 423856), (236, 341240), (295, 272992), (304, 264910), (380, 211928), (449, 179360), (472, 170620), (590, 136496), (608, 132455), (760, 105964), (898, 89680), (944, 85310), (1121, 71840), (1180, 68248), (1520, 52982), (1796, 44840), (1888, 42655), (2242, 35920), (2245, 35872), (2360, 34124), (3040, 26491), (3592, 22420), (4484, 17960), (4490, 17936), (4720, 17062), (5605, 14368), (7184, 11210), (8531, 9440), (8968, 8980)]