28290797880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1\times {\mathrm{2333}}^1$

素因数の和:3213

約数の個数: 128

約数和(自身を含む): 85637260800

約数和(自身を除く): 57346462920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 727, 834, 1112, 1390, 1454, 1668, 2085, 2181, 2333, 2780, 2908, 3336, 3635, 4170, 4362, 4666, 5560, 5816, 6999, 7270, 8340, 8724, 9332, 10905, 11665, 13998, 14540, 16680, 17448, 18664, 21810, 23330, 27996, 29080, 34995, 43620, 46660, 55992, 69990, 87240, 93320, 101053, 139980, 202106, 279960, 303159, 324287, 404212, 505265, 606318, 648574, 808424, 972861, 1010530, 1212636, 1297148, 1515795, 1621435, 1696091, 1945722, 2021060, 2425272, 2594296, 3031590, 3242870, 3392182, 3891444, 4042120, 4864305, 5088273, 6063180, 6485740, 6784364, 7782888, 8480455, 9728610, 10176546, 12126360, 12971480, 13568728, 16960910, 19457220, 20353092, 25441365, 33921820, 38914440, 40706184, 50882730, 67843640, 101765460, 203530920, 235756649, 471513298, 707269947, 943026596, 1178783245, 1414539894, 1886053192, 2357566490, 2829079788, 3536349735, 4715132980, 5658159576, 7072699470, 9430265960, 14145398940, 28290797880]

約数ペア:

[(1, 28290797880), (2, 14145398940), (3, 9430265960), (4, 7072699470), (5, 5658159576), (6, 4715132980), (8, 3536349735), (10, 2829079788), (12, 2357566490), (15, 1886053192), (20, 1414539894), (24, 1178783245), (30, 943026596), (40, 707269947), (60, 471513298), (120, 235756649), (139, 203530920), (278, 101765460), (417, 67843640), (556, 50882730), (695, 40706184), (727, 38914440), (834, 33921820), (1112, 25441365), (1390, 20353092), (1454, 19457220), (1668, 16960910), (2085, 13568728), (2181, 12971480), (2333, 12126360), (2780, 10176546), (2908, 9728610), (3336, 8480455), (3635, 7782888), (4170, 6784364), (4362, 6485740), (4666, 6063180), (5560, 5088273), (5816, 4864305), (6999, 4042120), (7270, 3891444), (8340, 3392182), (8724, 3242870), (9332, 3031590), (10905, 2594296), (11665, 2425272), (13998, 2021060), (14540, 1945722), (16680, 1696091), (17448, 1621435), (18664, 1515795), (21810, 1297148), (23330, 1212636), (27996, 1010530), (29080, 972861), (34995, 808424), (43620, 648574), (46660, 606318), (55992, 505265), (69990, 404212), (87240, 324287), (93320, 303159), (101053, 279960), (139980, 202106)]