1268240

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 2999808

約数和(自身を除く): 1731568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 191, 332, 382, 415, 664, 764, 830, 955, 1328, 1528, 1660, 1910, 3056, 3320, 3820, 6640, 7640, 15280, 15853, 31706, 63412, 79265, 126824, 158530, 253648, 317060, 634120, 1268240]

約数ペア:

[(1, 1268240), (2, 634120), (4, 317060), (5, 253648), (8, 158530), (10, 126824), (16, 79265), (20, 63412), (40, 31706), (80, 15853), (83, 15280), (166, 7640), (191, 6640), (332, 3820), (382, 3320), (415, 3056), (664, 1910), (764, 1660), (830, 1528), (955, 1328)]