81336684

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 233569280

約数和(自身を除く): 152232596

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 31, 33, 39, 44, 52, 62, 66, 78, 93, 121, 124, 132, 139, 143, 156, 186, 242, 278, 286, 341, 363, 372, 403, 417, 429, 484, 556, 572, 682, 726, 806, 834, 858, 1023, 1209, 1364, 1452, 1529, 1573, 1612, 1668, 1716, 1807, 2046, 2418, 3058, 3146, 3614, 3751, 4092, 4309, 4433, 4587, 4719, 4836, 5421, 6116, 6292, 7228, 7502, 8618, 8866, 9174, 9438, 10842, 11253, 12927, 13299, 15004, 16819, 17236, 17732, 18348, 18876, 19877, 21684, 22506, 25854, 26598, 33638, 39754, 45012, 47399, 48763, 50457, 51708, 53196, 56017, 59631, 67276, 79508, 94798, 97526, 100914, 112034, 119262, 142197, 146289, 168051, 189596, 195052, 201828, 218647, 224068, 238524, 284394, 292578, 336102, 437294, 521389, 568788, 585156, 616187, 655941, 672204, 874588, 1042778, 1232374, 1311882, 1564167, 1848561, 2085556, 2464748, 2623764, 3128334, 3697122, 6256668, 6778057, 7394244, 13556114, 20334171, 27112228, 40668342, 81336684]

約数ペア:

[(1, 81336684), (2, 40668342), (3, 27112228), (4, 20334171), (6, 13556114), (11, 7394244), (12, 6778057), (13, 6256668), (22, 3697122), (26, 3128334), (31, 2623764), (33, 2464748), (39, 2085556), (44, 1848561), (52, 1564167), (62, 1311882), (66, 1232374), (78, 1042778), (93, 874588), (121, 672204), (124, 655941), (132, 616187), (139, 585156), (143, 568788), (156, 521389), (186, 437294), (242, 336102), (278, 292578), (286, 284394), (341, 238524), (363, 224068), (372, 218647), (403, 201828), (417, 195052), (429, 189596), (484, 168051), (556, 146289), (572, 142197), (682, 119262), (726, 112034), (806, 100914), (834, 97526), (858, 94798), (1023, 79508), (1209, 67276), (1364, 59631), (1452, 56017), (1529, 53196), (1573, 51708), (1612, 50457), (1668, 48763), (1716, 47399), (1807, 45012), (2046, 39754), (2418, 33638), (3058, 26598), (3146, 25854), (3614, 22506), (3751, 21684), (4092, 19877), (4309, 18876), (4433, 18348), (4587, 17732), (4719, 17236), (4836, 16819), (5421, 15004), (6116, 13299), (6292, 12927), (7228, 11253), (7502, 10842), (8618, 9438), (8866, 9174)]