156729880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 363696480

約数和(自身を除く): 206966600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 227, 328, 410, 421, 454, 820, 842, 908, 1135, 1640, 1684, 1816, 2105, 2270, 3368, 4210, 4540, 8420, 9080, 9307, 16840, 17261, 18614, 34522, 37228, 46535, 69044, 74456, 86305, 93070, 95567, 138088, 172610, 186140, 191134, 345220, 372280, 382268, 477835, 690440, 764536, 955670, 1911340, 3822680, 3918247, 7836494, 15672988, 19591235, 31345976, 39182470, 78364940, 156729880]

約数ペア:

[(1, 156729880), (2, 78364940), (4, 39182470), (5, 31345976), (8, 19591235), (10, 15672988), (20, 7836494), (40, 3918247), (41, 3822680), (82, 1911340), (164, 955670), (205, 764536), (227, 690440), (328, 477835), (410, 382268), (421, 372280), (454, 345220), (820, 191134), (842, 186140), (908, 172610), (1135, 138088), (1640, 95567), (1684, 93070), (1816, 86305), (2105, 74456), (2270, 69044), (3368, 46535), (4210, 37228), (4540, 34522), (8420, 18614), (9080, 17261), (9307, 16840)]