63437940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1789}}^1$

素因数の和:2001

約数の個数: 72

約数和(自身を含む): 193513320

約数和(自身を除く): 130075380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1789, 1970, 2364, 2955, 3546, 3578, 3940, 5367, 5910, 7092, 7156, 8865, 8945, 10734, 11820, 16101, 17730, 17890, 21468, 26835, 32202, 35460, 35780, 53670, 64404, 80505, 107340, 161010, 322020, 352433, 704866, 1057299, 1409732, 1762165, 2114598, 3171897, 3524330, 4229196, 5286495, 6343794, 7048660, 10572990, 12687588, 15859485, 21145980, 31718970, 63437940]

約数ペア:

[(1, 63437940), (2, 31718970), (3, 21145980), (4, 15859485), (5, 12687588), (6, 10572990), (9, 7048660), (10, 6343794), (12, 5286495), (15, 4229196), (18, 3524330), (20, 3171897), (30, 2114598), (36, 1762165), (45, 1409732), (60, 1057299), (90, 704866), (180, 352433), (197, 322020), (394, 161010), (591, 107340), (788, 80505), (985, 64404), (1182, 53670), (1773, 35780), (1789, 35460), (1970, 32202), (2364, 26835), (2955, 21468), (3546, 17890), (3578, 17730), (3940, 16101), (5367, 11820), (5910, 10734), (7092, 8945), (7156, 8865)]