15874180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1597}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 38658816

約数和(自身を除く): 22784636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1597, 1988, 2485, 3194, 4970, 6388, 7985, 9940, 11179, 15970, 22358, 31940, 44716, 55895, 111790, 113387, 223580, 226774, 453548, 566935, 793709, 1133870, 1587418, 2267740, 3174836, 3968545, 7937090, 15874180]

約数ペア:

[(1, 15874180), (2, 7937090), (4, 3968545), (5, 3174836), (7, 2267740), (10, 1587418), (14, 1133870), (20, 793709), (28, 566935), (35, 453548), (70, 226774), (71, 223580), (140, 113387), (142, 111790), (284, 55895), (355, 44716), (497, 31940), (710, 22358), (994, 15970), (1420, 11179), (1597, 9940), (1988, 7985), (2485, 6388), (3194, 4970)]