15697664820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{686687}}^1$

素因数の和:686829

約数の個数: 72

約数和(自身を含む): 47991250944

約数和(自身を除く): 32293586124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 11430, 22860, 686687, 1373374, 2060061, 2746748, 3433435, 4120122, 6180183, 6866870, 8240244, 10300305, 12360366, 13733740, 20600610, 24720732, 30900915, 41201220, 61801830, 87209249, 123603660, 174418498, 261627747, 348836996, 436046245, 523255494, 784883241, 872092490, 1046510988, 1308138735, 1569766482, 1744184980, 2616277470, 3139532964, 3924416205, 5232554940, 7848832410, 15697664820]

約数ペア:

[(1, 15697664820), (2, 7848832410), (3, 5232554940), (4, 3924416205), (5, 3139532964), (6, 2616277470), (9, 1744184980), (10, 1569766482), (12, 1308138735), (15, 1046510988), (18, 872092490), (20, 784883241), (30, 523255494), (36, 436046245), (45, 348836996), (60, 261627747), (90, 174418498), (127, 123603660), (180, 87209249), (254, 61801830), (381, 41201220), (508, 30900915), (635, 24720732), (762, 20600610), (1143, 13733740), (1270, 12360366), (1524, 10300305), (1905, 8240244), (2286, 6866870), (2540, 6180183), (3810, 4120122), (4572, 3433435), (5715, 2746748), (7620, 2060061), (11430, 1373374), (22860, 686687)]