81386370

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 160

約数和(自身を含む): 241496640

約数和(自身を除く): 160110270

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 59, 65, 78, 81, 90, 117, 118, 130, 131, 135, 162, 177, 195, 234, 262, 270, 295, 351, 354, 390, 393, 405, 531, 585, 590, 655, 702, 767, 786, 810, 885, 1053, 1062, 1170, 1179, 1310, 1534, 1593, 1703, 1755, 1770, 1965, 2106, 2301, 2358, 2655, 3186, 3406, 3510, 3537, 3835, 3930, 4602, 4779, 5109, 5265, 5310, 5895, 6903, 7074, 7670, 7729, 7965, 8515, 9558, 10218, 10530, 10611, 11505, 11790, 13806, 15327, 15458, 15930, 17030, 17685, 20709, 21222, 23010, 23187, 23895, 25545, 30654, 34515, 35370, 38645, 41418, 45981, 46374, 47790, 51090, 53055, 62127, 69030, 69561, 76635, 77290, 91962, 100477, 103545, 106110, 115935, 124254, 137943, 139122, 153270, 200954, 207090, 208683, 229905, 231870, 275886, 301431, 310635, 347805, 417366, 459810, 502385, 602862, 621270, 626049, 689715, 695610, 904293, 1004770, 1043415, 1252098, 1379430, 1507155, 1808586, 2086830, 2712879, 3014310, 3130245, 4521465, 5425758, 6260490, 8138637, 9042930, 13564395, 16277274, 27128790, 40693185, 81386370]

約数ペア:

[(1, 81386370), (2, 40693185), (3, 27128790), (5, 16277274), (6, 13564395), (9, 9042930), (10, 8138637), (13, 6260490), (15, 5425758), (18, 4521465), (26, 3130245), (27, 3014310), (30, 2712879), (39, 2086830), (45, 1808586), (54, 1507155), (59, 1379430), (65, 1252098), (78, 1043415), (81, 1004770), (90, 904293), (117, 695610), (118, 689715), (130, 626049), (131, 621270), (135, 602862), (162, 502385), (177, 459810), (195, 417366), (234, 347805), (262, 310635), (270, 301431), (295, 275886), (351, 231870), (354, 229905), (390, 208683), (393, 207090), (405, 200954), (531, 153270), (585, 139122), (590, 137943), (655, 124254), (702, 115935), (767, 106110), (786, 103545), (810, 100477), (885, 91962), (1053, 77290), (1062, 76635), (1170, 69561), (1179, 69030), (1310, 62127), (1534, 53055), (1593, 51090), (1703, 47790), (1755, 46374), (1770, 45981), (1965, 41418), (2106, 38645), (2301, 35370), (2358, 34515), (2655, 30654), (3186, 25545), (3406, 23895), (3510, 23187), (3537, 23010), (3835, 21222), (3930, 20709), (4602, 17685), (4779, 17030), (5109, 15930), (5265, 15458), (5310, 15327), (5895, 13806), (6903, 11790), (7074, 11505), (7670, 10611), (7729, 10530), (7965, 10218), (8515, 9558)]