31472040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1609}}^1$

素因数の和:1786

約数の個数: 64

約数和(自身を含む): 95054400

約数和(自身を除く): 63582360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1609, 1630, 1956, 2445, 3218, 3260, 3912, 4827, 4890, 6436, 6520, 8045, 9654, 9780, 12872, 16090, 19308, 19560, 24135, 32180, 38616, 48270, 64360, 96540, 193080, 262267, 524534, 786801, 1049068, 1311335, 1573602, 2098136, 2622670, 3147204, 3934005, 5245340, 6294408, 7868010, 10490680, 15736020, 31472040]

約数ペア:

[(1, 31472040), (2, 15736020), (3, 10490680), (4, 7868010), (5, 6294408), (6, 5245340), (8, 3934005), (10, 3147204), (12, 2622670), (15, 2098136), (20, 1573602), (24, 1311335), (30, 1049068), (40, 786801), (60, 524534), (120, 262267), (163, 193080), (326, 96540), (489, 64360), (652, 48270), (815, 38616), (978, 32180), (1304, 24135), (1609, 19560), (1630, 19308), (1956, 16090), (2445, 12872), (3218, 9780), (3260, 9654), (3912, 8045), (4827, 6520), (4890, 6436)]