31127280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5639}}^1$

素因数の和:5678

約数の個数: 80

約数和(自身を含む): 100707840

約数和(自身を除く): 69580560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 5639, 11278, 16917, 22556, 28195, 33834, 45112, 56390, 67668, 84585, 90224, 112780, 129697, 135336, 169170, 225560, 259394, 270672, 338340, 389091, 451120, 518788, 648485, 676680, 778182, 1037576, 1296970, 1353360, 1556364, 1945455, 2075152, 2593940, 3112728, 3890910, 5187880, 6225456, 7781820, 10375760, 15563640, 31127280]

約数ペア:

[(1, 31127280), (2, 15563640), (3, 10375760), (4, 7781820), (5, 6225456), (6, 5187880), (8, 3890910), (10, 3112728), (12, 2593940), (15, 2075152), (16, 1945455), (20, 1556364), (23, 1353360), (24, 1296970), (30, 1037576), (40, 778182), (46, 676680), (48, 648485), (60, 518788), (69, 451120), (80, 389091), (92, 338340), (115, 270672), (120, 259394), (138, 225560), (184, 169170), (230, 135336), (240, 129697), (276, 112780), (345, 90224), (368, 84585), (460, 67668), (552, 56390), (690, 45112), (920, 33834), (1104, 28195), (1380, 22556), (1840, 16917), (2760, 11278), (5520, 5639)]