155969560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{661}}^1$

素因数の和:1036

約数の個数: 64

約数和(自身を含む): 373209120

約数和(自身を除く): 217239560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 347, 661, 680, 694, 1322, 1388, 1735, 2644, 2776, 3305, 3470, 5288, 5899, 6610, 6940, 11237, 11798, 13220, 13880, 22474, 23596, 26440, 29495, 44948, 47192, 56185, 58990, 89896, 112370, 117980, 224740, 229367, 235960, 449480, 458734, 917468, 1146835, 1834936, 2293670, 3899239, 4587340, 7798478, 9174680, 15596956, 19496195, 31193912, 38992390, 77984780, 155969560]

約数ペア:

[(1, 155969560), (2, 77984780), (4, 38992390), (5, 31193912), (8, 19496195), (10, 15596956), (17, 9174680), (20, 7798478), (34, 4587340), (40, 3899239), (68, 2293670), (85, 1834936), (136, 1146835), (170, 917468), (340, 458734), (347, 449480), (661, 235960), (680, 229367), (694, 224740), (1322, 117980), (1388, 112370), (1735, 89896), (2644, 58990), (2776, 56185), (3305, 47192), (3470, 44948), (5288, 29495), (5899, 26440), (6610, 23596), (6940, 22474), (11237, 13880), (11798, 13220)]