90361620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{811}}^1$

素因数の和:1445

約数の個数: 72

約数和(自身を含む): 274878240

約数和(自身を除く): 184516620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 619, 811, 1238, 1622, 1857, 2433, 2476, 3095, 3244, 3714, 4055, 4866, 5571, 6190, 7299, 7428, 8110, 9285, 9732, 11142, 12165, 12380, 14598, 16220, 18570, 22284, 24330, 27855, 29196, 36495, 37140, 48660, 55710, 72990, 111420, 145980, 502009, 1004018, 1506027, 2008036, 2510045, 3012054, 4518081, 5020090, 6024108, 7530135, 9036162, 10040180, 15060270, 18072324, 22590405, 30120540, 45180810, 90361620]

約数ペア:

[(1, 90361620), (2, 45180810), (3, 30120540), (4, 22590405), (5, 18072324), (6, 15060270), (9, 10040180), (10, 9036162), (12, 7530135), (15, 6024108), (18, 5020090), (20, 4518081), (30, 3012054), (36, 2510045), (45, 2008036), (60, 1506027), (90, 1004018), (180, 502009), (619, 145980), (811, 111420), (1238, 72990), (1622, 55710), (1857, 48660), (2433, 37140), (2476, 36495), (3095, 29196), (3244, 27855), (3714, 24330), (4055, 22284), (4866, 18570), (5571, 16220), (6190, 14598), (7299, 12380), (7428, 12165), (8110, 11142), (9285, 9732)]