81617400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{45343}}^1$

素因数の和:45365

約数の個数: 72

約数和(自身を含む): 274104480

約数和(自身を除く): 192487080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 45343, 90686, 136029, 181372, 226715, 272058, 362744, 408087, 453430, 544116, 680145, 816174, 906860, 1088232, 1133575, 1360290, 1632348, 1813720, 2040435, 2267150, 2720580, 3264696, 3400725, 4080870, 4534300, 5441160, 6801450, 8161740, 9068600, 10202175, 13602900, 16323480, 20404350, 27205800, 40808700, 81617400]

約数ペア:

[(1, 81617400), (2, 40808700), (3, 27205800), (4, 20404350), (5, 16323480), (6, 13602900), (8, 10202175), (9, 9068600), (10, 8161740), (12, 6801450), (15, 5441160), (18, 4534300), (20, 4080870), (24, 3400725), (25, 3264696), (30, 2720580), (36, 2267150), (40, 2040435), (45, 1813720), (50, 1632348), (60, 1360290), (72, 1133575), (75, 1088232), (90, 906860), (100, 816174), (120, 680145), (150, 544116), (180, 453430), (200, 408087), (225, 362744), (300, 272058), (360, 226715), (450, 181372), (600, 136029), (900, 90686), (1800, 45343)]