81548754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 127470126

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 29, 41, 42, 46, 58, 69, 71, 82, 87, 123, 138, 142, 161, 174, 203, 213, 246, 287, 322, 406, 426, 483, 497, 574, 609, 667, 861, 943, 966, 994, 1189, 1218, 1334, 1491, 1633, 1722, 1886, 2001, 2059, 2378, 2829, 2911, 2982, 3266, 3567, 4002, 4118, 4669, 4899, 5658, 5822, 6177, 6601, 7134, 8323, 8733, 9338, 9798, 11431, 12354, 13202, 14007, 14413, 16646, 17466, 19803, 20377, 22862, 24969, 27347, 28014, 28826, 34293, 39606, 40754, 43239, 47357, 49938, 54694, 61131, 66953, 68586, 82041, 84419, 86478, 94714, 122262, 133906, 142071, 164082, 168838, 191429, 200859, 253257, 284142, 331499, 382858, 401718, 468671, 506514, 574287, 590933, 662998, 937342, 994497, 1148574, 1181866, 1406013, 1772799, 1941637, 1988994, 2812026, 3545598, 3883274, 5824911, 11649822, 13591459, 27182918, 40774377, 81548754]

約数ペア:

[(1, 81548754), (2, 40774377), (3, 27182918), (6, 13591459), (7, 11649822), (14, 5824911), (21, 3883274), (23, 3545598), (29, 2812026), (41, 1988994), (42, 1941637), (46, 1772799), (58, 1406013), (69, 1181866), (71, 1148574), (82, 994497), (87, 937342), (123, 662998), (138, 590933), (142, 574287), (161, 506514), (174, 468671), (203, 401718), (213, 382858), (246, 331499), (287, 284142), (322, 253257), (406, 200859), (426, 191429), (483, 168838), (497, 164082), (574, 142071), (609, 133906), (667, 122262), (861, 94714), (943, 86478), (966, 84419), (994, 82041), (1189, 68586), (1218, 66953), (1334, 61131), (1491, 54694), (1633, 49938), (1722, 47357), (1886, 43239), (2001, 40754), (2059, 39606), (2378, 34293), (2829, 28826), (2911, 28014), (2982, 27347), (3266, 24969), (3567, 22862), (4002, 20377), (4118, 19803), (4669, 17466), (4899, 16646), (5658, 14413), (5822, 14007), (6177, 13202), (6601, 12354), (7134, 11431), (8323, 9798), (8733, 9338)]