68112640

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 164828160

約数和(自身を除く): 96715520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 419, 508, 635, 640, 838, 1016, 1270, 1280, 1676, 2032, 2095, 2540, 3352, 4064, 4190, 5080, 6704, 8128, 8380, 10160, 13408, 16256, 16760, 20320, 26816, 32512, 33520, 40640, 53213, 53632, 67040, 81280, 106426, 107264, 134080, 162560, 212852, 266065, 268160, 425704, 532130, 536320, 851408, 1064260, 1702816, 2128520, 3405632, 4257040, 6811264, 8514080, 13622528, 17028160, 34056320, 68112640]

約数ペア:

[(1, 68112640), (2, 34056320), (4, 17028160), (5, 13622528), (8, 8514080), (10, 6811264), (16, 4257040), (20, 3405632), (32, 2128520), (40, 1702816), (64, 1064260), (80, 851408), (127, 536320), (128, 532130), (160, 425704), (254, 268160), (256, 266065), (320, 212852), (419, 162560), (508, 134080), (635, 107264), (640, 106426), (838, 81280), (1016, 67040), (1270, 53632), (1280, 53213), (1676, 40640), (2032, 33520), (2095, 32512), (2540, 26816), (3352, 20320), (4064, 16760), (4190, 16256), (5080, 13408), (6704, 10160), (8128, 8380)]