81366870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 225275904

約数和(自身を除く): 143909034

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 47, 65, 69, 78, 94, 115, 130, 138, 141, 193, 195, 230, 235, 282, 299, 345, 386, 390, 470, 579, 598, 611, 690, 705, 897, 965, 1081, 1158, 1222, 1410, 1495, 1794, 1833, 1930, 2162, 2509, 2895, 2990, 3055, 3243, 3666, 4439, 4485, 5018, 5405, 5790, 6110, 6486, 7527, 8878, 8970, 9071, 9165, 10810, 12545, 13317, 14053, 15054, 16215, 18142, 18330, 22195, 25090, 26634, 27213, 28106, 32430, 37635, 42159, 44390, 45355, 54426, 57707, 66585, 70265, 75270, 84318, 90710, 115414, 117923, 133170, 136065, 140530, 173121, 208633, 210795, 235846, 272130, 288535, 346242, 353769, 417266, 421590, 577070, 589615, 625899, 707538, 865605, 1043165, 1179230, 1251798, 1731210, 1768845, 2086330, 2712229, 3129495, 3537690, 5424458, 6258990, 8136687, 13561145, 16273374, 27122290, 40683435, 81366870]

約数ペア:

[(1, 81366870), (2, 40683435), (3, 27122290), (5, 16273374), (6, 13561145), (10, 8136687), (13, 6258990), (15, 5424458), (23, 3537690), (26, 3129495), (30, 2712229), (39, 2086330), (46, 1768845), (47, 1731210), (65, 1251798), (69, 1179230), (78, 1043165), (94, 865605), (115, 707538), (130, 625899), (138, 589615), (141, 577070), (193, 421590), (195, 417266), (230, 353769), (235, 346242), (282, 288535), (299, 272130), (345, 235846), (386, 210795), (390, 208633), (470, 173121), (579, 140530), (598, 136065), (611, 133170), (690, 117923), (705, 115414), (897, 90710), (965, 84318), (1081, 75270), (1158, 70265), (1222, 66585), (1410, 57707), (1495, 54426), (1794, 45355), (1833, 44390), (1930, 42159), (2162, 37635), (2509, 32430), (2895, 28106), (2990, 27213), (3055, 26634), (3243, 25090), (3666, 22195), (4439, 18330), (4485, 18142), (5018, 16215), (5405, 15054), (5790, 14053), (6110, 13317), (6486, 12545), (7527, 10810), (8878, 9165), (8970, 9071)]