205651920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{23159}}^1$

素因数の和:23212

約数の個数: 80

約数和(自身を含む): 654779520

約数和(自身を除く): 449127600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 23159, 46318, 69477, 92636, 115795, 138954, 185272, 231590, 277908, 347385, 370544, 463180, 555816, 694770, 856883, 926360, 1111632, 1389540, 1713766, 1852720, 2570649, 2779080, 3427532, 4284415, 5141298, 5558160, 6855064, 8568830, 10282596, 12853245, 13710128, 17137660, 20565192, 25706490, 34275320, 41130384, 51412980, 68550640, 102825960, 205651920]

約数ペア:

[(1, 205651920), (2, 102825960), (3, 68550640), (4, 51412980), (5, 41130384), (6, 34275320), (8, 25706490), (10, 20565192), (12, 17137660), (15, 13710128), (16, 12853245), (20, 10282596), (24, 8568830), (30, 6855064), (37, 5558160), (40, 5141298), (48, 4284415), (60, 3427532), (74, 2779080), (80, 2570649), (111, 1852720), (120, 1713766), (148, 1389540), (185, 1111632), (222, 926360), (240, 856883), (296, 694770), (370, 555816), (444, 463180), (555, 370544), (592, 347385), (740, 277908), (888, 231590), (1110, 185272), (1480, 138954), (1776, 115795), (2220, 92636), (2960, 69477), (4440, 46318), (8880, 23159)]