81847010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 180195840

約数和(自身を除く): 98348830

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 109, 119, 170, 218, 238, 545, 595, 631, 763, 1090, 1190, 1262, 1526, 1853, 3155, 3706, 3815, 4417, 6310, 7630, 8834, 9265, 10727, 12971, 18530, 21454, 22085, 25942, 44170, 53635, 64855, 68779, 75089, 107270, 129710, 137558, 150178, 343895, 375445, 481453, 687790, 750890, 962906, 1169243, 2338486, 2407265, 4814530, 5846215, 8184701, 11692430, 16369402, 40923505, 81847010]

約数ペア:

[(1, 81847010), (2, 40923505), (5, 16369402), (7, 11692430), (10, 8184701), (14, 5846215), (17, 4814530), (34, 2407265), (35, 2338486), (70, 1169243), (85, 962906), (109, 750890), (119, 687790), (170, 481453), (218, 375445), (238, 343895), (545, 150178), (595, 137558), (631, 129710), (763, 107270), (1090, 75089), (1190, 68779), (1262, 64855), (1526, 53635), (1853, 44170), (3155, 25942), (3706, 22085), (3815, 21454), (4417, 18530), (6310, 12971), (7630, 10727), (8834, 9265)]