15616845820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1\times {\mathrm{5381}}^1$

素因数の和:5603

約数の個数: 72

約数和(自身を含む): 34118177184

約数和(自身を除く): 18501331364

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 151, 155, 302, 310, 604, 620, 755, 961, 1510, 1922, 3020, 3844, 4681, 4805, 5381, 9362, 9610, 10762, 18724, 19220, 21524, 23405, 26905, 46810, 53810, 93620, 107620, 145111, 166811, 290222, 333622, 580444, 667244, 725555, 812531, 834055, 1451110, 1625062, 1668110, 2902220, 3250124, 3336220, 4062655, 5171141, 8125310, 10342282, 16250620, 20684564, 25188461, 25855705, 50376922, 51711410, 100753844, 103422820, 125942305, 251884610, 503769220, 780842291, 1561684582, 3123369164, 3904211455, 7808422910, 15616845820]

約数ペア:

[(1, 15616845820), (2, 7808422910), (4, 3904211455), (5, 3123369164), (10, 1561684582), (20, 780842291), (31, 503769220), (62, 251884610), (124, 125942305), (151, 103422820), (155, 100753844), (302, 51711410), (310, 50376922), (604, 25855705), (620, 25188461), (755, 20684564), (961, 16250620), (1510, 10342282), (1922, 8125310), (3020, 5171141), (3844, 4062655), (4681, 3336220), (4805, 3250124), (5381, 2902220), (9362, 1668110), (9610, 1625062), (10762, 1451110), (18724, 834055), (19220, 812531), (21524, 725555), (23405, 667244), (26905, 580444), (46810, 333622), (53810, 290222), (93620, 166811), (107620, 145111)]