65664080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 161132544

約数和(自身を除く): 95468464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 127, 184, 230, 254, 281, 368, 460, 508, 562, 635, 920, 1016, 1124, 1270, 1405, 1840, 2032, 2248, 2540, 2810, 2921, 4496, 5080, 5620, 5842, 6463, 10160, 11240, 11684, 12926, 14605, 22480, 23368, 25852, 29210, 32315, 35687, 46736, 51704, 58420, 64630, 71374, 103408, 116840, 129260, 142748, 178435, 233680, 258520, 285496, 356870, 517040, 570992, 713740, 820801, 1427480, 1641602, 2854960, 3283204, 4104005, 6566408, 8208010, 13132816, 16416020, 32832040, 65664080]

約数ペア:

[(1, 65664080), (2, 32832040), (4, 16416020), (5, 13132816), (8, 8208010), (10, 6566408), (16, 4104005), (20, 3283204), (23, 2854960), (40, 1641602), (46, 1427480), (80, 820801), (92, 713740), (115, 570992), (127, 517040), (184, 356870), (230, 285496), (254, 258520), (281, 233680), (368, 178435), (460, 142748), (508, 129260), (562, 116840), (635, 103408), (920, 71374), (1016, 64630), (1124, 58420), (1270, 51704), (1405, 46736), (1840, 35687), (2032, 32315), (2248, 29210), (2540, 25852), (2810, 23368), (2921, 22480), (4496, 14605), (5080, 12926), (5620, 11684), (5842, 11240), (6463, 10160)]