28062840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17989}}^1$

素因数の和:18016

約数の個数: 64

約数和(自身を含む): 90669600

約数和(自身を除く): 62606760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 17989, 35978, 53967, 71956, 89945, 107934, 143912, 179890, 215868, 233857, 269835, 359780, 431736, 467714, 539670, 701571, 719560, 935428, 1079340, 1169285, 1403142, 1870856, 2158680, 2338570, 2806284, 3507855, 4677140, 5612568, 7015710, 9354280, 14031420, 28062840]

約数ペア:

[(1, 28062840), (2, 14031420), (3, 9354280), (4, 7015710), (5, 5612568), (6, 4677140), (8, 3507855), (10, 2806284), (12, 2338570), (13, 2158680), (15, 1870856), (20, 1403142), (24, 1169285), (26, 1079340), (30, 935428), (39, 719560), (40, 701571), (52, 539670), (60, 467714), (65, 431736), (78, 359780), (104, 269835), (120, 233857), (130, 215868), (156, 179890), (195, 143912), (260, 107934), (312, 89945), (390, 71956), (520, 53967), (780, 35978), (1560, 17989)]