64918321780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1\times {\mathrm{8867}}^1$

素因数の和:9889

約数の個数: 96

約数和(自身を含む): 152051437440

約数和(自身を除く): 87133115660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 971, 1508, 1885, 1942, 3770, 3884, 4855, 7540, 8867, 9710, 12623, 17734, 19420, 25246, 28159, 35468, 44335, 50492, 56318, 63115, 88670, 112636, 115271, 126230, 140795, 177340, 230542, 252460, 257143, 281590, 366067, 461084, 514286, 563180, 576355, 732134, 1028572, 1152710, 1285715, 1464268, 1830335, 2305420, 2571430, 3342859, 3660670, 5142860, 6685718, 7321340, 8609857, 13371436, 16714295, 17219714, 33428590, 34439428, 43049285, 66857180, 86098570, 111928141, 172197140, 223856282, 249685853, 447712564, 499371706, 559640705, 998743412, 1119281410, 1248429265, 2238562820, 2496858530, 3245916089, 4993717060, 6491832178, 12983664356, 16229580445, 32459160890, 64918321780]

約数ペア:

[(1, 64918321780), (2, 32459160890), (4, 16229580445), (5, 12983664356), (10, 6491832178), (13, 4993717060), (20, 3245916089), (26, 2496858530), (29, 2238562820), (52, 1248429265), (58, 1119281410), (65, 998743412), (116, 559640705), (130, 499371706), (145, 447712564), (260, 249685853), (290, 223856282), (377, 172197140), (580, 111928141), (754, 86098570), (971, 66857180), (1508, 43049285), (1885, 34439428), (1942, 33428590), (3770, 17219714), (3884, 16714295), (4855, 13371436), (7540, 8609857), (8867, 7321340), (9710, 6685718), (12623, 5142860), (17734, 3660670), (19420, 3342859), (25246, 2571430), (28159, 2305420), (35468, 1830335), (44335, 1464268), (50492, 1285715), (56318, 1152710), (63115, 1028572), (88670, 732134), (112636, 576355), (115271, 563180), (126230, 514286), (140795, 461084), (177340, 366067), (230542, 281590), (252460, 257143)]