129578940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79987}}^1$

素因数の和:80008

約数の個数: 60

約数和(自身を含む): 406499016

約数和(自身を除く): 276920076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 79987, 159974, 239961, 319948, 399935, 479922, 719883, 799870, 959844, 1199805, 1439766, 1599740, 2159649, 2399610, 2879532, 3599415, 4319298, 4799220, 6478947, 7198830, 8638596, 10798245, 12957894, 14397660, 21596490, 25915788, 32394735, 43192980, 64789470, 129578940]

約数ペア:

[(1, 129578940), (2, 64789470), (3, 43192980), (4, 32394735), (5, 25915788), (6, 21596490), (9, 14397660), (10, 12957894), (12, 10798245), (15, 8638596), (18, 7198830), (20, 6478947), (27, 4799220), (30, 4319298), (36, 3599415), (45, 2879532), (54, 2399610), (60, 2159649), (81, 1599740), (90, 1439766), (108, 1199805), (135, 959844), (162, 799870), (180, 719883), (270, 479922), (324, 399935), (405, 319948), (540, 239961), (810, 159974), (1620, 79987)]