13115480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1560

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 21721000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1511, 1736, 2170, 3022, 4340, 6044, 7555, 8680, 10577, 12088, 15110, 21154, 30220, 42308, 46841, 52885, 60440, 84616, 93682, 105770, 187364, 211540, 234205, 327887, 374728, 423080, 468410, 655774, 936820, 1311548, 1639435, 1873640, 2623096, 3278870, 6557740, 13115480]

約数ペア:

[(1, 13115480), (2, 6557740), (4, 3278870), (5, 2623096), (7, 1873640), (8, 1639435), (10, 1311548), (14, 936820), (20, 655774), (28, 468410), (31, 423080), (35, 374728), (40, 327887), (56, 234205), (62, 211540), (70, 187364), (124, 105770), (140, 93682), (155, 84616), (217, 60440), (248, 52885), (280, 46841), (310, 42308), (434, 30220), (620, 21154), (868, 15110), (1085, 12088), (1240, 10577), (1511, 8680), (1736, 7555), (2170, 6044), (3022, 4340)]