18280808520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11718467}}^1$

素因数の和:11718494

約数の個数: 64

約数和(自身を含む): 59061078720

約数和(自身を除く): 40780270200

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, 11718467, 23436934, 35155401, 46873868, 58592335, 70310802, 93747736, 117184670, 140621604, 152340071, 175777005, 234369340, 281243208, 304680142, 351554010, 457020213, 468738680, 609360284, 703108020, 761700355, 914040426, 1218720568, 1406216040, 1523400710, 1828080852, 2285101065, 3046801420, 3656161704, 4570202130, 6093602840, 9140404260, 18280808520]

約数ペア:

[(1, 18280808520), (2, 9140404260), (3, 6093602840), (4, 4570202130), (5, 3656161704), (6, 3046801420), (8, 2285101065), (10, 1828080852), (12, 1523400710), (13, 1406216040), (15, 1218720568), (20, 914040426), (24, 761700355), (26, 703108020), (30, 609360284), (39, 468738680), (40, 457020213), (52, 351554010), (60, 304680142), (65, 281243208), (78, 234369340), (104, 175777005), (120, 152340071), (130, 140621604), (156, 117184670), (195, 93747736), (260, 70310802), (312, 58592335), (390, 46873868), (520, 35155401), (780, 23436934), (1560, 11718467)]