1998289320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{234541}}^1$

素因数の和:234626

約数の個数: 64

約数和(自身を含む): 6079328640

約数和(自身を除く): 4081039320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 234541, 469082, 703623, 938164, 1172705, 1407246, 1876328, 2345410, 2814492, 3518115, 4690820, 5628984, 7036230, 9381640, 14072460, 16652411, 28144920, 33304822, 49957233, 66609644, 83262055, 99914466, 133219288, 166524110, 199828932, 249786165, 333048220, 399657864, 499572330, 666096440, 999144660, 1998289320]

約数ペア:

[(1, 1998289320), (2, 999144660), (3, 666096440), (4, 499572330), (5, 399657864), (6, 333048220), (8, 249786165), (10, 199828932), (12, 166524110), (15, 133219288), (20, 99914466), (24, 83262055), (30, 66609644), (40, 49957233), (60, 33304822), (71, 28144920), (120, 16652411), (142, 14072460), (213, 9381640), (284, 7036230), (355, 5628984), (426, 4690820), (568, 3518115), (710, 2814492), (852, 2345410), (1065, 1876328), (1420, 1407246), (1704, 1172705), (2130, 938164), (2840, 703623), (4260, 469082), (8520, 234541)]