90512820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21863}}^1$

素因数の和:21901

約数の個数: 72

約数和(自身を含む): 286505856

約数和(自身を除く): 195993036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 21863, 43726, 65589, 87452, 109315, 131178, 196767, 218630, 262356, 327945, 393534, 437260, 502849, 655890, 787068, 983835, 1005698, 1311780, 1508547, 1967670, 2011396, 2514245, 3017094, 3935340, 4525641, 5028490, 6034188, 7542735, 9051282, 10056980, 15085470, 18102564, 22628205, 30170940, 45256410, 90512820]

約数ペア:

[(1, 90512820), (2, 45256410), (3, 30170940), (4, 22628205), (5, 18102564), (6, 15085470), (9, 10056980), (10, 9051282), (12, 7542735), (15, 6034188), (18, 5028490), (20, 4525641), (23, 3935340), (30, 3017094), (36, 2514245), (45, 2011396), (46, 1967670), (60, 1508547), (69, 1311780), (90, 1005698), (92, 983835), (115, 787068), (138, 655890), (180, 502849), (207, 437260), (230, 393534), (276, 327945), (345, 262356), (414, 218630), (460, 196767), (690, 131178), (828, 109315), (1035, 87452), (1380, 65589), (2070, 43726), (4140, 21863)]