285377640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139891}}^1$

素因数の和:139922

約数の個数: 64

約数和(自身を含む): 906500160

約数和(自身を除く): 621122520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 139891, 279782, 419673, 559564, 699455, 839346, 1119128, 1398910, 1678692, 2098365, 2378147, 2797820, 3357384, 4196730, 4756294, 5595640, 7134441, 8393460, 9512588, 11890735, 14268882, 16786920, 19025176, 23781470, 28537764, 35672205, 47562940, 57075528, 71344410, 95125880, 142688820, 285377640]

約数ペア:

[(1, 285377640), (2, 142688820), (3, 95125880), (4, 71344410), (5, 57075528), (6, 47562940), (8, 35672205), (10, 28537764), (12, 23781470), (15, 19025176), (17, 16786920), (20, 14268882), (24, 11890735), (30, 9512588), (34, 8393460), (40, 7134441), (51, 5595640), (60, 4756294), (68, 4196730), (85, 3357384), (102, 2797820), (120, 2378147), (136, 2098365), (170, 1678692), (204, 1398910), (255, 1119128), (340, 839346), (408, 699455), (510, 559564), (680, 419673), (1020, 279782), (2040, 139891)]