81082920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6199}}^1$

素因数の和:6322

約数の個数: 64

約数和(自身を含む): 245520000

約数和(自身を除く): 164437080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1635, 2180, 2616, 3270, 4360, 6199, 6540, 12398, 13080, 18597, 24796, 30995, 37194, 49592, 61990, 74388, 92985, 123980, 148776, 185970, 247960, 371940, 675691, 743880, 1351382, 2027073, 2702764, 3378455, 4054146, 5405528, 6756910, 8108292, 10135365, 13513820, 16216584, 20270730, 27027640, 40541460, 81082920]

約数ペア:

[(1, 81082920), (2, 40541460), (3, 27027640), (4, 20270730), (5, 16216584), (6, 13513820), (8, 10135365), (10, 8108292), (12, 6756910), (15, 5405528), (20, 4054146), (24, 3378455), (30, 2702764), (40, 2027073), (60, 1351382), (109, 743880), (120, 675691), (218, 371940), (327, 247960), (436, 185970), (545, 148776), (654, 123980), (872, 92985), (1090, 74388), (1308, 61990), (1635, 49592), (2180, 37194), (2616, 30995), (3270, 24796), (4360, 18597), (6199, 13080), (6540, 12398)]