15951680

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:727

約数の個数: 56

約数和(自身を含む): 38526720

約数和(自身を除く): 22575040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 631, 632, 790, 1262, 1264, 1580, 2524, 2528, 3155, 3160, 5048, 5056, 6310, 6320, 10096, 12620, 12640, 20192, 25240, 25280, 40384, 49849, 50480, 99698, 100960, 199396, 201920, 249245, 398792, 498490, 797584, 996980, 1595168, 1993960, 3190336, 3987920, 7975840, 15951680]

約数ペア:

[(1, 15951680), (2, 7975840), (4, 3987920), (5, 3190336), (8, 1993960), (10, 1595168), (16, 996980), (20, 797584), (32, 498490), (40, 398792), (64, 249245), (79, 201920), (80, 199396), (158, 100960), (160, 99698), (316, 50480), (320, 49849), (395, 40384), (631, 25280), (632, 25240), (790, 20192), (1262, 12640), (1264, 12620), (1580, 10096), (2524, 6320), (2528, 6310), (3155, 5056), (3160, 5048)]