12921567405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 23162388480

約数和(自身を除く): 10240821075

約数列:

[1, 3, 5, 15, 19, 31, 57, 67, 83, 93, 95, 155, 201, 249, 263, 285, 335, 415, 465, 589, 789, 1005, 1245, 1273, 1315, 1577, 1767, 2077, 2573, 2945, 3819, 3945, 4731, 4997, 5561, 6231, 6365, 7719, 7885, 8153, 8835, 10385, 12865, 14991, 16683, 17621, 19095, 21829, 23655, 24459, 24985, 27805, 31155, 38595, 39463, 40765, 48887, 52863, 65487, 74955, 83415, 88105, 105659, 109145, 118389, 122295, 146661, 154907, 172391, 197315, 244435, 264315, 316977, 327435, 334799, 414751, 464721, 517173, 528295, 546251, 591945, 676699, 733305, 774535, 861955, 1004397, 1244253, 1462543, 1584885, 1638753, 1673995, 2030097, 2073755, 2323605, 2585865, 2731255, 3275429, 3383495, 4387629, 5021985, 6221265, 7312715, 8193765, 9826287, 10150485, 10378769, 12857281, 16377145, 21938145, 27788317, 31136307, 38571843, 45338833, 49131435, 51893845, 64286405, 83364951, 136016499, 138941585, 155681535, 192859215, 226694165, 416824755, 680082495, 861437827, 2584313481, 4307189135, 12921567405]

約数ペア:

[(1, 12921567405), (3, 4307189135), (5, 2584313481), (15, 861437827), (19, 680082495), (31, 416824755), (57, 226694165), (67, 192859215), (83, 155681535), (93, 138941585), (95, 136016499), (155, 83364951), (201, 64286405), (249, 51893845), (263, 49131435), (285, 45338833), (335, 38571843), (415, 31136307), (465, 27788317), (589, 21938145), (789, 16377145), (1005, 12857281), (1245, 10378769), (1273, 10150485), (1315, 9826287), (1577, 8193765), (1767, 7312715), (2077, 6221265), (2573, 5021985), (2945, 4387629), (3819, 3383495), (3945, 3275429), (4731, 2731255), (4997, 2585865), (5561, 2323605), (6231, 2073755), (6365, 2030097), (7719, 1673995), (7885, 1638753), (8153, 1584885), (8835, 1462543), (10385, 1244253), (12865, 1004397), (14991, 861955), (16683, 774535), (17621, 733305), (19095, 676699), (21829, 591945), (23655, 546251), (24459, 528295), (24985, 517173), (27805, 464721), (31155, 414751), (38595, 334799), (39463, 327435), (40765, 316977), (48887, 264315), (52863, 244435), (65487, 197315), (74955, 172391), (83415, 154907), (88105, 146661), (105659, 122295), (109145, 118389)]