18516720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77153}}^1$

素因数の和:77169

約数の個数: 40

約数和(自身を含む): 57402576

約数和(自身を除く): 38885856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77153, 154306, 231459, 308612, 385765, 462918, 617224, 771530, 925836, 1157295, 1234448, 1543060, 1851672, 2314590, 3086120, 3703344, 4629180, 6172240, 9258360, 18516720]

約数ペア:

[(1, 18516720), (2, 9258360), (3, 6172240), (4, 4629180), (5, 3703344), (6, 3086120), (8, 2314590), (10, 1851672), (12, 1543060), (15, 1234448), (16, 1157295), (20, 925836), (24, 771530), (30, 617224), (40, 462918), (48, 385765), (60, 308612), (80, 231459), (120, 154306), (240, 77153)]