68223120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40609}}^1$

素因数の和:40632

約数の個数: 80

約数和(自身を含む): 241710720

約数和(自身を除く): 173487600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 40609, 81218, 121827, 162436, 203045, 243654, 284263, 324872, 406090, 487308, 568526, 609135, 649744, 812180, 852789, 974616, 1137052, 1218270, 1421315, 1624360, 1705578, 1949232, 2274104, 2436540, 2842630, 3248720, 3411156, 4263945, 4548208, 4873080, 5685260, 6822312, 8527890, 9746160, 11370520, 13644624, 17055780, 22741040, 34111560, 68223120]

約数ペア:

[(1, 68223120), (2, 34111560), (3, 22741040), (4, 17055780), (5, 13644624), (6, 11370520), (7, 9746160), (8, 8527890), (10, 6822312), (12, 5685260), (14, 4873080), (15, 4548208), (16, 4263945), (20, 3411156), (21, 3248720), (24, 2842630), (28, 2436540), (30, 2274104), (35, 1949232), (40, 1705578), (42, 1624360), (48, 1421315), (56, 1218270), (60, 1137052), (70, 974616), (80, 852789), (84, 812180), (105, 649744), (112, 609135), (120, 568526), (140, 487308), (168, 406090), (210, 324872), (240, 284263), (280, 243654), (336, 203045), (420, 162436), (560, 121827), (840, 81218), (1680, 40609)]