1281181560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{248291}}^1$

素因数の和:248348

約数の個数: 64

約数和(自身を含む): 3932945280

約数和(自身を除く): 2651763720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 248291, 496582, 744873, 993164, 1241455, 1489746, 1986328, 2482910, 2979492, 3724365, 4965820, 5958984, 7448730, 9931640, 10676513, 14897460, 21353026, 29794920, 32029539, 42706052, 53382565, 64059078, 85412104, 106765130, 128118156, 160147695, 213530260, 256236312, 320295390, 427060520, 640590780, 1281181560]

約数ペア:

[(1, 1281181560), (2, 640590780), (3, 427060520), (4, 320295390), (5, 256236312), (6, 213530260), (8, 160147695), (10, 128118156), (12, 106765130), (15, 85412104), (20, 64059078), (24, 53382565), (30, 42706052), (40, 32029539), (43, 29794920), (60, 21353026), (86, 14897460), (120, 10676513), (129, 9931640), (172, 7448730), (215, 5958984), (258, 4965820), (344, 3724365), (430, 2979492), (516, 2482910), (645, 1986328), (860, 1489746), (1032, 1241455), (1290, 993164), (1720, 744873), (2580, 496582), (5160, 248291)]