309938040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{860939}}^1$

素因数の和:860956

約数の個数: 48

約数和(自身を含む): 1007299800

約数和(自身を除く): 697361760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 860939, 1721878, 2582817, 3443756, 4304695, 5165634, 6887512, 7748451, 8609390, 10331268, 12914085, 15496902, 17218780, 20662536, 25828170, 30993804, 34437560, 38742255, 51656340, 61987608, 77484510, 103312680, 154969020, 309938040]

約数ペア:

[(1, 309938040), (2, 154969020), (3, 103312680), (4, 77484510), (5, 61987608), (6, 51656340), (8, 38742255), (9, 34437560), (10, 30993804), (12, 25828170), (15, 20662536), (18, 17218780), (20, 15496902), (24, 12914085), (30, 10331268), (36, 8609390), (40, 7748451), (45, 6887512), (60, 5165634), (72, 4304695), (90, 3443756), (120, 2582817), (180, 1721878), (360, 860939)]