66873360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{278639}}^1$

素因数の和:278655

約数の個数: 40

約数和(自身を含む): 207308160

約数和(自身を除く): 140434800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 278639, 557278, 835917, 1114556, 1393195, 1671834, 2229112, 2786390, 3343668, 4179585, 4458224, 5572780, 6687336, 8359170, 11145560, 13374672, 16718340, 22291120, 33436680, 66873360]

約数ペア:

[(1, 66873360), (2, 33436680), (3, 22291120), (4, 16718340), (5, 13374672), (6, 11145560), (8, 8359170), (10, 6687336), (12, 5572780), (15, 4458224), (16, 4179585), (20, 3343668), (24, 2786390), (30, 2229112), (40, 1671834), (48, 1393195), (60, 1114556), (80, 835917), (120, 557278), (240, 278639)]