1129678880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641863}}^1$

素因数の和:641889

約数の個数: 48

約数和(自身を含む): 2911495104

約数和(自身を除く): 1781816224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 641863, 1283726, 2567452, 3209315, 5134904, 6418630, 7060493, 10269808, 12837260, 14120986, 20539616, 25674520, 28241972, 35302465, 51349040, 56483944, 70604930, 102698080, 112967888, 141209860, 225935776, 282419720, 564839440, 1129678880]

約数ペア:

[(1, 1129678880), (2, 564839440), (4, 282419720), (5, 225935776), (8, 141209860), (10, 112967888), (11, 102698080), (16, 70604930), (20, 56483944), (22, 51349040), (32, 35302465), (40, 28241972), (44, 25674520), (55, 20539616), (80, 14120986), (88, 12837260), (110, 10269808), (160, 7060493), (176, 6418630), (220, 5134904), (352, 3209315), (440, 2567452), (880, 1283726), (1760, 641863)]