66681420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1613}}^1$

素因数の和:1691

約数の個数: 96

約数和(自身を含む): 204990912

約数和(自身を除く): 138309492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 156, 159, 195, 212, 260, 265, 318, 390, 530, 636, 689, 780, 795, 1060, 1378, 1590, 1613, 2067, 2756, 3180, 3226, 3445, 4134, 4839, 6452, 6890, 8065, 8268, 9678, 10335, 13780, 16130, 19356, 20670, 20969, 24195, 32260, 41340, 41938, 48390, 62907, 83876, 85489, 96780, 104845, 125814, 170978, 209690, 251628, 256467, 314535, 341956, 419380, 427445, 512934, 629070, 854890, 1025868, 1111357, 1258140, 1282335, 1709780, 2222714, 2564670, 3334071, 4445428, 5129340, 5556785, 6668142, 11113570, 13336284, 16670355, 22227140, 33340710, 66681420]

約数ペア:

[(1, 66681420), (2, 33340710), (3, 22227140), (4, 16670355), (5, 13336284), (6, 11113570), (10, 6668142), (12, 5556785), (13, 5129340), (15, 4445428), (20, 3334071), (26, 2564670), (30, 2222714), (39, 1709780), (52, 1282335), (53, 1258140), (60, 1111357), (65, 1025868), (78, 854890), (106, 629070), (130, 512934), (156, 427445), (159, 419380), (195, 341956), (212, 314535), (260, 256467), (265, 251628), (318, 209690), (390, 170978), (530, 125814), (636, 104845), (689, 96780), (780, 85489), (795, 83876), (1060, 62907), (1378, 48390), (1590, 41938), (1613, 41340), (2067, 32260), (2756, 24195), (3180, 20969), (3226, 20670), (3445, 19356), (4134, 16130), (4839, 13780), (6452, 10335), (6890, 9678), (8065, 8268)]