68478760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244567}}^1$

素因数の和:244585

約数の個数: 32

約数和(自身を含む): 176088960

約数和(自身を除く): 107610200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244567, 489134, 978268, 1222835, 1711969, 1956536, 2445670, 3423938, 4891340, 6847876, 8559845, 9782680, 13695752, 17119690, 34239380, 68478760]

約数ペア:

[(1, 68478760), (2, 34239380), (4, 17119690), (5, 13695752), (7, 9782680), (8, 8559845), (10, 6847876), (14, 4891340), (20, 3423938), (28, 2445670), (35, 1956536), (40, 1711969), (56, 1222835), (70, 978268), (140, 489134), (280, 244567)]