306042520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12281}}^1$

素因数の和:12388

約数の個数: 64

約数和(自身を含む): 795873600

約数和(自身を除く): 489831080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 12281, 12460, 24562, 24920, 49124, 61405, 85967, 98248, 122810, 171934, 245620, 343868, 429835, 491240, 687736, 859670, 1093009, 1719340, 2186018, 3438680, 4372036, 5465045, 7651063, 8744072, 10930090, 15302126, 21860180, 30604252, 38255315, 43720360, 61208504, 76510630, 153021260, 306042520]

約数ペア:

[(1, 306042520), (2, 153021260), (4, 76510630), (5, 61208504), (7, 43720360), (8, 38255315), (10, 30604252), (14, 21860180), (20, 15302126), (28, 10930090), (35, 8744072), (40, 7651063), (56, 5465045), (70, 4372036), (89, 3438680), (140, 2186018), (178, 1719340), (280, 1093009), (356, 859670), (445, 687736), (623, 491240), (712, 429835), (890, 343868), (1246, 245620), (1780, 171934), (2492, 122810), (3115, 98248), (3560, 85967), (4984, 61405), (6230, 49124), (12281, 24920), (12460, 24562)]