64509660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{809}}^1$

素因数の和:1267

約数の個数: 72

約数和(自身を含む): 196363440

約数和(自身を除く): 131853780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 809, 886, 1329, 1618, 1772, 2215, 2427, 2658, 3236, 3987, 4045, 4430, 4854, 5316, 6645, 7281, 7974, 8090, 8860, 9708, 12135, 13290, 14562, 15948, 16180, 19935, 24270, 26580, 29124, 36405, 39870, 48540, 72810, 79740, 145620, 358387, 716774, 1075161, 1433548, 1791935, 2150322, 3225483, 3583870, 4300644, 5375805, 6450966, 7167740, 10751610, 12901932, 16127415, 21503220, 32254830, 64509660]

約数ペア:

[(1, 64509660), (2, 32254830), (3, 21503220), (4, 16127415), (5, 12901932), (6, 10751610), (9, 7167740), (10, 6450966), (12, 5375805), (15, 4300644), (18, 3583870), (20, 3225483), (30, 2150322), (36, 1791935), (45, 1433548), (60, 1075161), (90, 716774), (180, 358387), (443, 145620), (809, 79740), (886, 72810), (1329, 48540), (1618, 39870), (1772, 36405), (2215, 29124), (2427, 26580), (2658, 24270), (3236, 19935), (3987, 16180), (4045, 15948), (4430, 14562), (4854, 13290), (5316, 12135), (6645, 9708), (7281, 8860), (7974, 8090)]