218133180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2699}}^1$

素因数の和:3163

約数の個数: 72

約数和(自身を含む): 663390000

約数和(自身を除く): 445256820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2245, 2694, 2699, 4041, 4490, 5388, 5398, 6735, 8082, 8097, 8980, 10796, 13470, 13495, 16164, 16194, 20205, 24291, 26940, 26990, 32388, 40410, 40485, 48582, 53980, 80820, 80970, 97164, 121455, 161940, 242910, 485820, 1211851, 2423702, 3635553, 4847404, 6059255, 7271106, 10906659, 12118510, 14542212, 18177765, 21813318, 24237020, 36355530, 43626636, 54533295, 72711060, 109066590, 218133180]

約数ペア:

[(1, 218133180), (2, 109066590), (3, 72711060), (4, 54533295), (5, 43626636), (6, 36355530), (9, 24237020), (10, 21813318), (12, 18177765), (15, 14542212), (18, 12118510), (20, 10906659), (30, 7271106), (36, 6059255), (45, 4847404), (60, 3635553), (90, 2423702), (180, 1211851), (449, 485820), (898, 242910), (1347, 161940), (1796, 121455), (2245, 97164), (2694, 80970), (2699, 80820), (4041, 53980), (4490, 48582), (5388, 40485), (5398, 40410), (6735, 32388), (8082, 26990), (8097, 26940), (8980, 24291), (10796, 20205), (13470, 16194), (13495, 16164)]