51398460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1009}}^1$

素因数の和:1307

約数の個数: 72

約数和(自身を含む): 156614640

約数和(自身を除く): 105216180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 566, 849, 1009, 1132, 1415, 1698, 2018, 2547, 2830, 3027, 3396, 4036, 4245, 5045, 5094, 5660, 6054, 8490, 9081, 10090, 10188, 12108, 12735, 15135, 16980, 18162, 20180, 25470, 30270, 36324, 45405, 50940, 60540, 90810, 181620, 285547, 571094, 856641, 1142188, 1427735, 1713282, 2569923, 2855470, 3426564, 4283205, 5139846, 5710940, 8566410, 10279692, 12849615, 17132820, 25699230, 51398460]

約数ペア:

[(1, 51398460), (2, 25699230), (3, 17132820), (4, 12849615), (5, 10279692), (6, 8566410), (9, 5710940), (10, 5139846), (12, 4283205), (15, 3426564), (18, 2855470), (20, 2569923), (30, 1713282), (36, 1427735), (45, 1142188), (60, 856641), (90, 571094), (180, 285547), (283, 181620), (566, 90810), (849, 60540), (1009, 50940), (1132, 45405), (1415, 36324), (1698, 30270), (2018, 25470), (2547, 20180), (2830, 18162), (3027, 16980), (3396, 15135), (4036, 12735), (4245, 12108), (5045, 10188), (5094, 10090), (5660, 9081), (6054, 8490)]