255754520

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{2663}}^1$

素因数の和:2702

約数の個数: 80

約数和(自身を含む): 671567760

約数和(自身を除く): 415813240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2401, 2663, 2744, 3430, 4802, 5326, 6860, 9604, 10652, 12005, 13315, 13720, 18641, 19208, 21304, 24010, 26630, 37282, 48020, 53260, 74564, 93205, 96040, 106520, 130487, 149128, 186410, 260974, 372820, 521948, 652435, 745640, 913409, 1043896, 1304870, 1826818, 2609740, 3653636, 4567045, 5219480, 6393863, 7307272, 9134090, 12787726, 18268180, 25575452, 31969315, 36536360, 51150904, 63938630, 127877260, 255754520]

約数ペア:

[(1, 255754520), (2, 127877260), (4, 63938630), (5, 51150904), (7, 36536360), (8, 31969315), (10, 25575452), (14, 18268180), (20, 12787726), (28, 9134090), (35, 7307272), (40, 6393863), (49, 5219480), (56, 4567045), (70, 3653636), (98, 2609740), (140, 1826818), (196, 1304870), (245, 1043896), (280, 913409), (343, 745640), (392, 652435), (490, 521948), (686, 372820), (980, 260974), (1372, 186410), (1715, 149128), (1960, 130487), (2401, 106520), (2663, 96040), (2744, 93205), (3430, 74564), (4802, 53260), (5326, 48020), (6860, 37282), (9604, 26630), (10652, 24010), (12005, 21304), (13315, 19208), (13720, 18641)]