15142480

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{991}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 35426304

約数和(自身を除く): 20283824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 991, 1528, 1910, 1982, 3056, 3820, 3964, 4955, 7640, 7928, 9910, 15280, 15856, 19820, 39640, 79280, 189281, 378562, 757124, 946405, 1514248, 1892810, 3028496, 3785620, 7571240, 15142480]

約数ペア:

[(1, 15142480), (2, 7571240), (4, 3785620), (5, 3028496), (8, 1892810), (10, 1514248), (16, 946405), (20, 757124), (40, 378562), (80, 189281), (191, 79280), (382, 39640), (764, 19820), (955, 15856), (991, 15280), (1528, 9910), (1910, 7928), (1982, 7640), (3056, 4955), (3820, 3964)]