128966320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 353807712

約数和(自身を除く): 224841392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 137, 140, 164, 205, 274, 280, 287, 328, 410, 548, 560, 574, 656, 685, 820, 959, 1096, 1148, 1370, 1435, 1640, 1681, 1918, 2192, 2296, 2740, 2870, 3280, 3362, 3836, 4592, 4795, 5480, 5617, 5740, 6724, 7672, 8405, 9590, 10960, 11234, 11480, 11767, 13448, 15344, 16810, 19180, 22468, 22960, 23534, 26896, 28085, 33620, 38360, 39319, 44936, 47068, 56170, 58835, 67240, 76720, 78638, 89872, 94136, 112340, 117670, 134480, 157276, 188272, 196595, 224680, 230297, 235340, 314552, 393190, 449360, 460594, 470680, 629104, 786380, 921188, 941360, 1151485, 1572760, 1612079, 1842376, 2302970, 3145520, 3224158, 3684752, 4605940, 6448316, 8060395, 9211880, 12896632, 16120790, 18423760, 25793264, 32241580, 64483160, 128966320]

約数ペア:

[(1, 128966320), (2, 64483160), (4, 32241580), (5, 25793264), (7, 18423760), (8, 16120790), (10, 12896632), (14, 9211880), (16, 8060395), (20, 6448316), (28, 4605940), (35, 3684752), (40, 3224158), (41, 3145520), (56, 2302970), (70, 1842376), (80, 1612079), (82, 1572760), (112, 1151485), (137, 941360), (140, 921188), (164, 786380), (205, 629104), (274, 470680), (280, 460594), (287, 449360), (328, 393190), (410, 314552), (548, 235340), (560, 230297), (574, 224680), (656, 196595), (685, 188272), (820, 157276), (959, 134480), (1096, 117670), (1148, 112340), (1370, 94136), (1435, 89872), (1640, 78638), (1681, 76720), (1918, 67240), (2192, 58835), (2296, 56170), (2740, 47068), (2870, 44936), (3280, 39319), (3362, 38360), (3836, 33620), (4592, 28085), (4795, 26896), (5480, 23534), (5617, 22960), (5740, 22468), (6724, 19180), (7672, 16810), (8405, 15344), (9590, 13448), (10960, 11767), (11234, 11480)]