220191120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{305821}}^1$

素因数の和:305840

約数の個数: 60

約数和(自身を含む): 739477596

約数和(自身を除く): 519286476

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 305821, 611642, 917463, 1223284, 1529105, 1834926, 2446568, 2752389, 3058210, 3669852, 4587315, 4893136, 5504778, 6116420, 7339704, 9174630, 11009556, 12232840, 13761945, 14679408, 18349260, 22019112, 24465680, 27523890, 36698520, 44038224, 55047780, 73397040, 110095560, 220191120]

約数ペア:

[(1, 220191120), (2, 110095560), (3, 73397040), (4, 55047780), (5, 44038224), (6, 36698520), (8, 27523890), (9, 24465680), (10, 22019112), (12, 18349260), (15, 14679408), (16, 13761945), (18, 12232840), (20, 11009556), (24, 9174630), (30, 7339704), (36, 6116420), (40, 5504778), (45, 4893136), (48, 4587315), (60, 3669852), (72, 3058210), (80, 2752389), (90, 2446568), (120, 1834926), (144, 1529105), (180, 1223284), (240, 917463), (360, 611642), (720, 305821)]