15027860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 33747840

約数和(自身を除く): 18719980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 557, 710, 1114, 1349, 1420, 2228, 2698, 2785, 5396, 5570, 6745, 10583, 11140, 13490, 21166, 26980, 39547, 42332, 52915, 79094, 105830, 158188, 197735, 211660, 395470, 751393, 790940, 1502786, 3005572, 3756965, 7513930, 15027860]

約数ペア:

[(1, 15027860), (2, 7513930), (4, 3756965), (5, 3005572), (10, 1502786), (19, 790940), (20, 751393), (38, 395470), (71, 211660), (76, 197735), (95, 158188), (142, 105830), (190, 79094), (284, 52915), (355, 42332), (380, 39547), (557, 26980), (710, 21166), (1114, 13490), (1349, 11140), (1420, 10583), (2228, 6745), (2698, 5570), (2785, 5396)]