15541720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7331}}^1$

素因数の和:7395

約数の個数: 32

約数和(自身を含む): 35633520

約数和(自身を除く): 20091800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7331, 14662, 29324, 36655, 58648, 73310, 146620, 293240, 388543, 777086, 1554172, 1942715, 3108344, 3885430, 7770860, 15541720]

約数ペア:

[(1, 15541720), (2, 7770860), (4, 3885430), (5, 3108344), (8, 1942715), (10, 1554172), (20, 777086), (40, 388543), (53, 293240), (106, 146620), (212, 73310), (265, 58648), (424, 36655), (530, 29324), (1060, 14662), (2120, 7331)]