90663560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2310

約数の個数: 64

約数和(自身を含む): 222566400

約数和(自身を除く): 131902840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 2207, 3160, 4108, 4414, 5135, 8216, 8828, 10270, 11035, 17656, 20540, 22070, 28691, 41080, 44140, 57382, 88280, 114764, 143455, 174353, 229528, 286910, 348706, 573820, 697412, 871765, 1147640, 1394824, 1743530, 2266589, 3487060, 4533178, 6974120, 9066356, 11332945, 18132712, 22665890, 45331780, 90663560]

約数ペア:

[(1, 90663560), (2, 45331780), (4, 22665890), (5, 18132712), (8, 11332945), (10, 9066356), (13, 6974120), (20, 4533178), (26, 3487060), (40, 2266589), (52, 1743530), (65, 1394824), (79, 1147640), (104, 871765), (130, 697412), (158, 573820), (260, 348706), (316, 286910), (395, 229528), (520, 174353), (632, 143455), (790, 114764), (1027, 88280), (1580, 57382), (2054, 44140), (2207, 41080), (3160, 28691), (4108, 22070), (4414, 20540), (5135, 17656), (8216, 11035), (8828, 10270)]