68700640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7039}}^1$

素因数の和:7115

約数の個数: 48

約数和(自身を含む): 164989440

約数和(自身を除く): 96288800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 7039, 9760, 14078, 28156, 35195, 56312, 70390, 112624, 140780, 225248, 281560, 429379, 563120, 858758, 1126240, 1717516, 2146895, 3435032, 4293790, 6870064, 8587580, 13740128, 17175160, 34350320, 68700640]

約数ペア:

[(1, 68700640), (2, 34350320), (4, 17175160), (5, 13740128), (8, 8587580), (10, 6870064), (16, 4293790), (20, 3435032), (32, 2146895), (40, 1717516), (61, 1126240), (80, 858758), (122, 563120), (160, 429379), (244, 281560), (305, 225248), (488, 140780), (610, 112624), (976, 70390), (1220, 56312), (1952, 35195), (2440, 28156), (4880, 14078), (7039, 9760)]