31687740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 115153920

約数和(自身を除く): 83466180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 83, 84, 90, 101, 105, 108, 126, 135, 140, 166, 180, 189, 202, 210, 249, 252, 270, 303, 315, 332, 378, 404, 415, 420, 498, 505, 540, 581, 606, 630, 707, 747, 756, 830, 909, 945, 996, 1010, 1162, 1212, 1245, 1260, 1414, 1494, 1515, 1660, 1743, 1818, 1890, 2020, 2121, 2241, 2324, 2490, 2727, 2828, 2905, 2988, 3030, 3486, 3535, 3636, 3735, 3780, 4242, 4482, 4545, 4980, 5229, 5454, 5810, 6060, 6363, 6972, 7070, 7470, 8383, 8484, 8715, 8964, 9090, 10458, 10605, 10908, 11205, 11620, 12726, 13635, 14140, 14940, 15687, 16766, 17430, 18180, 19089, 20916, 21210, 22410, 25149, 25452, 26145, 27270, 31374, 31815, 33532, 34860, 38178, 41915, 42420, 44820, 50298, 52290, 54540, 58681, 62748, 63630, 75447, 76356, 78435, 83830, 95445, 100596, 104580, 117362, 125745, 127260, 150894, 156870, 167660, 176043, 190890, 226341, 234724, 251490, 293405, 301788, 313740, 352086, 377235, 381780, 452682, 502980, 528129, 586810, 704172, 754470, 880215, 905364, 1056258, 1131705, 1173620, 1508940, 1584387, 1760430, 2112516, 2263410, 2640645, 3168774, 3520860, 4526820, 5281290, 6337548, 7921935, 10562580, 15843870, 31687740]

約数ペア:

[(1, 31687740), (2, 15843870), (3, 10562580), (4, 7921935), (5, 6337548), (6, 5281290), (7, 4526820), (9, 3520860), (10, 3168774), (12, 2640645), (14, 2263410), (15, 2112516), (18, 1760430), (20, 1584387), (21, 1508940), (27, 1173620), (28, 1131705), (30, 1056258), (35, 905364), (36, 880215), (42, 754470), (45, 704172), (54, 586810), (60, 528129), (63, 502980), (70, 452682), (83, 381780), (84, 377235), (90, 352086), (101, 313740), (105, 301788), (108, 293405), (126, 251490), (135, 234724), (140, 226341), (166, 190890), (180, 176043), (189, 167660), (202, 156870), (210, 150894), (249, 127260), (252, 125745), (270, 117362), (303, 104580), (315, 100596), (332, 95445), (378, 83830), (404, 78435), (415, 76356), (420, 75447), (498, 63630), (505, 62748), (540, 58681), (581, 54540), (606, 52290), (630, 50298), (707, 44820), (747, 42420), (756, 41915), (830, 38178), (909, 34860), (945, 33532), (996, 31815), (1010, 31374), (1162, 27270), (1212, 26145), (1245, 25452), (1260, 25149), (1414, 22410), (1494, 21210), (1515, 20916), (1660, 19089), (1743, 18180), (1818, 17430), (1890, 16766), (2020, 15687), (2121, 14940), (2241, 14140), (2324, 13635), (2490, 12726), (2727, 11620), (2828, 11205), (2905, 10908), (2988, 10605), (3030, 10458), (3486, 9090), (3535, 8964), (3636, 8715), (3735, 8484), (3780, 8383), (4242, 7470), (4482, 7070), (4545, 6972), (4980, 6363), (5229, 6060), (5454, 5810)]