18158280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21617}}^1$

素因数の和:21638

約数の個数: 64

約数和(自身を含む): 62259840

約数和(自身を除く): 44101560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21617, 43234, 64851, 86468, 108085, 129702, 151319, 172936, 216170, 259404, 302638, 324255, 432340, 453957, 518808, 605276, 648510, 756595, 864680, 907914, 1210552, 1297020, 1513190, 1815828, 2269785, 2594040, 3026380, 3631656, 4539570, 6052760, 9079140, 18158280]

約数ペア:

[(1, 18158280), (2, 9079140), (3, 6052760), (4, 4539570), (5, 3631656), (6, 3026380), (7, 2594040), (8, 2269785), (10, 1815828), (12, 1513190), (14, 1297020), (15, 1210552), (20, 907914), (21, 864680), (24, 756595), (28, 648510), (30, 605276), (35, 518808), (40, 453957), (42, 432340), (56, 324255), (60, 302638), (70, 259404), (84, 216170), (105, 172936), (120, 151319), (140, 129702), (168, 108085), (210, 86468), (280, 64851), (420, 43234), (840, 21617)]