67440412816

素因数分解:

$2^4\times 7^1\times {\mathrm{661}}^1\times {\mathrm{751}}^1\times {\mathrm{1213}}^1$

素因数の和:2640

約数の個数: 80

約数和(自身を含む): 149880867328

約数和(自身を除く): 82440454512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 661, 751, 1213, 1322, 1502, 2426, 2644, 3004, 4627, 4852, 5257, 5288, 6008, 8491, 9254, 9704, 10514, 10576, 12016, 16982, 18508, 19408, 21028, 33964, 37016, 42056, 67928, 74032, 84112, 135856, 496411, 801793, 910963, 992822, 1603586, 1821926, 1985644, 3207172, 3474877, 3643852, 3971288, 5612551, 6376741, 6414344, 6949754, 7287704, 7942576, 11225102, 12753482, 12828688, 13899508, 14575408, 22450204, 25506964, 27799016, 44900408, 51013928, 55598032, 89800816, 102027856, 602146543, 1204293086, 2408586172, 4215025801, 4817172344, 8430051602, 9634344688, 16860103204, 33720206408, 67440412816]

約数ペア:

[(1, 67440412816), (2, 33720206408), (4, 16860103204), (7, 9634344688), (8, 8430051602), (14, 4817172344), (16, 4215025801), (28, 2408586172), (56, 1204293086), (112, 602146543), (661, 102027856), (751, 89800816), (1213, 55598032), (1322, 51013928), (1502, 44900408), (2426, 27799016), (2644, 25506964), (3004, 22450204), (4627, 14575408), (4852, 13899508), (5257, 12828688), (5288, 12753482), (6008, 11225102), (8491, 7942576), (9254, 7287704), (9704, 6949754), (10514, 6414344), (10576, 6376741), (12016, 5612551), (16982, 3971288), (18508, 3643852), (19408, 3474877), (21028, 3207172), (33964, 1985644), (37016, 1821926), (42056, 1603586), (67928, 992822), (74032, 910963), (84112, 801793), (135856, 496411)]