156539320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79867}}^1$

素因数の和:79892

約数の個数: 48

約数和(自身を含む): 409722840

約数和(自身を除く): 253183520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 79867, 159734, 319468, 399335, 559069, 638936, 798670, 1118138, 1597340, 2236276, 2795345, 3194680, 3913483, 4472552, 5590690, 7826966, 11181380, 15653932, 19567415, 22362760, 31307864, 39134830, 78269660, 156539320]

約数ペア:

[(1, 156539320), (2, 78269660), (4, 39134830), (5, 31307864), (7, 22362760), (8, 19567415), (10, 15653932), (14, 11181380), (20, 7826966), (28, 5590690), (35, 4472552), (40, 3913483), (49, 3194680), (56, 2795345), (70, 2236276), (98, 1597340), (140, 1118138), (196, 798670), (245, 638936), (280, 559069), (392, 399335), (490, 319468), (980, 159734), (1960, 79867)]