1545420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 4435200

約数和(自身を除く): 2889780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 599, 645, 860, 1198, 1290, 1797, 2396, 2580, 2995, 3594, 5990, 7188, 8985, 11980, 17970, 25757, 35940, 51514, 77271, 103028, 128785, 154542, 257570, 309084, 386355, 515140, 772710, 1545420]

約数ペア:

[(1, 1545420), (2, 772710), (3, 515140), (4, 386355), (5, 309084), (6, 257570), (10, 154542), (12, 128785), (15, 103028), (20, 77271), (30, 51514), (43, 35940), (60, 25757), (86, 17970), (129, 11980), (172, 8985), (215, 7188), (258, 5990), (430, 3594), (516, 2995), (599, 2580), (645, 2396), (860, 1797), (1198, 1290)]