128790270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:927

約数の個数: 128

約数和(自身を含む): 397716480

約数和(自身を除く): 268926210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 83, 90, 105, 126, 135, 166, 189, 210, 249, 270, 315, 378, 415, 498, 581, 630, 747, 821, 830, 945, 1162, 1245, 1494, 1642, 1743, 1890, 2241, 2463, 2490, 2905, 3486, 3735, 4105, 4482, 4926, 5229, 5747, 5810, 7389, 7470, 8210, 8715, 10458, 11205, 11494, 12315, 14778, 15687, 17241, 17430, 22167, 22410, 24630, 26145, 28735, 31374, 34482, 36945, 44334, 51723, 52290, 57470, 68143, 73890, 78435, 86205, 103446, 110835, 136286, 155169, 156870, 172410, 204429, 221670, 258615, 310338, 340715, 408858, 477001, 517230, 613287, 681430, 775845, 954002, 1022145, 1226574, 1431003, 1551690, 1839861, 2044290, 2385005, 2862006, 3066435, 3679722, 4293009, 4770010, 6132870, 7155015, 8586018, 9199305, 12879027, 14310030, 18398610, 21465045, 25758054, 42930090, 64395135, 128790270]

約数ペア:

[(1, 128790270), (2, 64395135), (3, 42930090), (5, 25758054), (6, 21465045), (7, 18398610), (9, 14310030), (10, 12879027), (14, 9199305), (15, 8586018), (18, 7155015), (21, 6132870), (27, 4770010), (30, 4293009), (35, 3679722), (42, 3066435), (45, 2862006), (54, 2385005), (63, 2044290), (70, 1839861), (83, 1551690), (90, 1431003), (105, 1226574), (126, 1022145), (135, 954002), (166, 775845), (189, 681430), (210, 613287), (249, 517230), (270, 477001), (315, 408858), (378, 340715), (415, 310338), (498, 258615), (581, 221670), (630, 204429), (747, 172410), (821, 156870), (830, 155169), (945, 136286), (1162, 110835), (1245, 103446), (1494, 86205), (1642, 78435), (1743, 73890), (1890, 68143), (2241, 57470), (2463, 52290), (2490, 51723), (2905, 44334), (3486, 36945), (3735, 34482), (4105, 31374), (4482, 28735), (4926, 26145), (5229, 24630), (5747, 22410), (5810, 22167), (7389, 17430), (7470, 17241), (8210, 15687), (8715, 14778), (10458, 12315), (11205, 11494)]