1780451530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20411}}^1$

素因数の和:20503

約数の個数: 64

約数和(自身を含む): 3827005056

約数和(自身を除く): 2046553526

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 61, 65, 110, 122, 130, 143, 286, 305, 610, 671, 715, 793, 1342, 1430, 1586, 3355, 3965, 6710, 7930, 8723, 17446, 20411, 40822, 43615, 87230, 102055, 204110, 224521, 265343, 449042, 530686, 1122605, 1245071, 1326715, 2245210, 2490142, 2653430, 2918773, 5837546, 6225355, 12450710, 13695781, 14593865, 16185923, 27391562, 29187730, 32371846, 68478905, 80929615, 136957810, 161859230, 178045153, 356090306, 890225765, 1780451530]

約数ペア:

[(1, 1780451530), (2, 890225765), (5, 356090306), (10, 178045153), (11, 161859230), (13, 136957810), (22, 80929615), (26, 68478905), (55, 32371846), (61, 29187730), (65, 27391562), (110, 16185923), (122, 14593865), (130, 13695781), (143, 12450710), (286, 6225355), (305, 5837546), (610, 2918773), (671, 2653430), (715, 2490142), (793, 2245210), (1342, 1326715), (1430, 1245071), (1586, 1122605), (3355, 530686), (3965, 449042), (6710, 265343), (7930, 224521), (8723, 204110), (17446, 102055), (20411, 87230), (40822, 43615)]