664373920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2111}}^1$

素因数の和:2414

約数の個数: 96

約数和(自身を含む): 1801046016

約数和(自身を除く): 1136672096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 281, 560, 562, 1120, 1124, 1405, 1967, 2111, 2248, 2810, 3934, 4222, 4496, 5620, 7868, 8444, 8992, 9835, 10555, 11240, 14777, 15736, 16888, 19670, 21110, 22480, 29554, 31472, 33776, 39340, 42220, 44960, 59108, 62944, 67552, 73885, 78680, 84440, 118216, 147770, 157360, 168880, 236432, 295540, 314720, 337760, 472864, 591080, 593191, 1182160, 1186382, 2364320, 2372764, 2965955, 4152337, 4745528, 5931910, 8304674, 9491056, 11863820, 16609348, 18982112, 20761685, 23727640, 33218696, 41523370, 47455280, 66437392, 83046740, 94910560, 132874784, 166093480, 332186960, 664373920]

約数ペア:

[(1, 664373920), (2, 332186960), (4, 166093480), (5, 132874784), (7, 94910560), (8, 83046740), (10, 66437392), (14, 47455280), (16, 41523370), (20, 33218696), (28, 23727640), (32, 20761685), (35, 18982112), (40, 16609348), (56, 11863820), (70, 9491056), (80, 8304674), (112, 5931910), (140, 4745528), (160, 4152337), (224, 2965955), (280, 2372764), (281, 2364320), (560, 1186382), (562, 1182160), (1120, 593191), (1124, 591080), (1405, 472864), (1967, 337760), (2111, 314720), (2248, 295540), (2810, 236432), (3934, 168880), (4222, 157360), (4496, 147770), (5620, 118216), (7868, 84440), (8444, 78680), (8992, 73885), (9835, 67552), (10555, 62944), (11240, 59108), (14777, 44960), (15736, 42220), (16888, 39340), (19670, 33776), (21110, 31472), (22480, 29554)]