217049640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20323}}^1$

素因数の和:20426

約数の個数: 64

約数和(自身を含む): 658497600

約数和(自身を除く): 441447960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2136, 2670, 3560, 5340, 10680, 20323, 40646, 60969, 81292, 101615, 121938, 162584, 203230, 243876, 304845, 406460, 487752, 609690, 812920, 1219380, 1808747, 2438760, 3617494, 5426241, 7234988, 9043735, 10852482, 14469976, 18087470, 21704964, 27131205, 36174940, 43409928, 54262410, 72349880, 108524820, 217049640]

約数ペア:

[(1, 217049640), (2, 108524820), (3, 72349880), (4, 54262410), (5, 43409928), (6, 36174940), (8, 27131205), (10, 21704964), (12, 18087470), (15, 14469976), (20, 10852482), (24, 9043735), (30, 7234988), (40, 5426241), (60, 3617494), (89, 2438760), (120, 1808747), (178, 1219380), (267, 812920), (356, 609690), (445, 487752), (534, 406460), (712, 304845), (890, 243876), (1068, 203230), (1335, 162584), (1780, 121938), (2136, 101615), (2670, 81292), (3560, 60969), (5340, 40646), (10680, 20323)]