20382480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28309}}^1$

素因数の和:28328

約数の個数: 60

約数和(自身を含む): 68453580

約数和(自身を除く): 48071100

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28309, 56618, 84927, 113236, 141545, 169854, 226472, 254781, 283090, 339708, 424635, 452944, 509562, 566180, 679416, 849270, 1019124, 1132360, 1273905, 1358832, 1698540, 2038248, 2264720, 2547810, 3397080, 4076496, 5095620, 6794160, 10191240, 20382480]

約数ペア:

[(1, 20382480), (2, 10191240), (3, 6794160), (4, 5095620), (5, 4076496), (6, 3397080), (8, 2547810), (9, 2264720), (10, 2038248), (12, 1698540), (15, 1358832), (16, 1273905), (18, 1132360), (20, 1019124), (24, 849270), (30, 679416), (36, 566180), (40, 509562), (45, 452944), (48, 424635), (60, 339708), (72, 283090), (80, 254781), (90, 226472), (120, 169854), (144, 141545), (180, 113236), (240, 84927), (360, 56618), (720, 28309)]