90385080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20357}}^1$

素因数の和:20408

約数の個数: 64

約数和(自身を含む): 278497440

約数和(自身を除く): 188112360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 20357, 40714, 61071, 81428, 101785, 122142, 162856, 203570, 244284, 305355, 407140, 488568, 610710, 753209, 814280, 1221420, 1506418, 2259627, 2442840, 3012836, 3766045, 4519254, 6025672, 7532090, 9038508, 11298135, 15064180, 18077016, 22596270, 30128360, 45192540, 90385080]

約数ペア:

[(1, 90385080), (2, 45192540), (3, 30128360), (4, 22596270), (5, 18077016), (6, 15064180), (8, 11298135), (10, 9038508), (12, 7532090), (15, 6025672), (20, 4519254), (24, 3766045), (30, 3012836), (37, 2442840), (40, 2259627), (60, 1506418), (74, 1221420), (111, 814280), (120, 753209), (148, 610710), (185, 488568), (222, 407140), (296, 305355), (370, 244284), (444, 203570), (555, 162856), (740, 122142), (888, 101785), (1110, 81428), (1480, 61071), (2220, 40714), (4440, 20357)]