15764740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 34965504

約数和(自身を除く): 19200764

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 541, 620, 940, 1082, 1457, 2164, 2705, 2914, 5410, 5828, 7285, 10820, 14570, 16771, 25427, 29140, 33542, 50854, 67084, 83855, 101708, 127135, 167710, 254270, 335420, 508540, 788237, 1576474, 3152948, 3941185, 7882370, 15764740]

約数ペア:

[(1, 15764740), (2, 7882370), (4, 3941185), (5, 3152948), (10, 1576474), (20, 788237), (31, 508540), (47, 335420), (62, 254270), (94, 167710), (124, 127135), (155, 101708), (188, 83855), (235, 67084), (310, 50854), (470, 33542), (541, 29140), (620, 25427), (940, 16771), (1082, 14570), (1457, 10820), (2164, 7285), (2705, 5828), (2914, 5410)]