81867390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1238

約数の個数: 96

約数和(自身を含む): 227525760

約数和(自身を除く): 145658370

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 55, 57, 66, 95, 110, 114, 121, 165, 190, 209, 242, 285, 330, 363, 418, 570, 605, 627, 726, 1045, 1187, 1210, 1254, 1815, 2090, 2299, 2374, 3135, 3561, 3630, 4598, 5935, 6270, 6897, 7122, 11495, 11870, 13057, 13794, 17805, 22553, 22990, 26114, 34485, 35610, 39171, 45106, 65285, 67659, 68970, 78342, 112765, 130570, 135318, 143627, 195855, 225530, 248083, 287254, 338295, 391710, 430881, 496166, 676590, 718135, 744249, 861762, 1240415, 1436270, 1488498, 2154405, 2480830, 2728913, 3721245, 4308810, 5457826, 7442490, 8186739, 13644565, 16373478, 27289130, 40933695, 81867390]

約数ペア:

[(1, 81867390), (2, 40933695), (3, 27289130), (5, 16373478), (6, 13644565), (10, 8186739), (11, 7442490), (15, 5457826), (19, 4308810), (22, 3721245), (30, 2728913), (33, 2480830), (38, 2154405), (55, 1488498), (57, 1436270), (66, 1240415), (95, 861762), (110, 744249), (114, 718135), (121, 676590), (165, 496166), (190, 430881), (209, 391710), (242, 338295), (285, 287254), (330, 248083), (363, 225530), (418, 195855), (570, 143627), (605, 135318), (627, 130570), (726, 112765), (1045, 78342), (1187, 68970), (1210, 67659), (1254, 65285), (1815, 45106), (2090, 39171), (2299, 35610), (2374, 34485), (3135, 26114), (3561, 22990), (3630, 22553), (4598, 17805), (5935, 13794), (6270, 13057), (6897, 11870), (7122, 11495)]