15676820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 18796780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 179, 290, 302, 358, 580, 604, 716, 755, 895, 1510, 1790, 3020, 3580, 4379, 5191, 8758, 10382, 17516, 20764, 21895, 25955, 27029, 43790, 51910, 54058, 87580, 103820, 108116, 135145, 270290, 540580, 783841, 1567682, 3135364, 3919205, 7838410, 15676820]

約数ペア:

[(1, 15676820), (2, 7838410), (4, 3919205), (5, 3135364), (10, 1567682), (20, 783841), (29, 540580), (58, 270290), (116, 135145), (145, 108116), (151, 103820), (179, 87580), (290, 54058), (302, 51910), (358, 43790), (580, 27029), (604, 25955), (716, 21895), (755, 20764), (895, 17516), (1510, 10382), (1790, 8758), (3020, 5191), (3580, 4379)]