218448540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17093}}^1$

素因数の和:17179

約数の個数: 72

約数和(自身を含む): 671999328

約数和(自身を除く): 453550788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 17093, 34186, 51279, 68372, 85465, 102558, 153837, 170930, 205116, 256395, 307674, 341860, 512790, 615348, 769185, 1025580, 1213603, 1538370, 2427206, 3076740, 3640809, 4854412, 6068015, 7281618, 10922427, 12136030, 14563236, 18204045, 21844854, 24272060, 36408090, 43689708, 54612135, 72816180, 109224270, 218448540]

約数ペア:

[(1, 218448540), (2, 109224270), (3, 72816180), (4, 54612135), (5, 43689708), (6, 36408090), (9, 24272060), (10, 21844854), (12, 18204045), (15, 14563236), (18, 12136030), (20, 10922427), (30, 7281618), (36, 6068015), (45, 4854412), (60, 3640809), (71, 3076740), (90, 2427206), (142, 1538370), (180, 1213603), (213, 1025580), (284, 769185), (355, 615348), (426, 512790), (639, 341860), (710, 307674), (852, 256395), (1065, 205116), (1278, 170930), (1420, 153837), (2130, 102558), (2556, 85465), (3195, 68372), (4260, 51279), (6390, 34186), (12780, 17093)]