15621760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:354

約数の個数: 128

約数和(自身を含む): 46707840

約数和(自身を除く): 31086080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 317, 320, 352, 385, 440, 448, 560, 616, 634, 640, 704, 770, 880, 896, 1120, 1232, 1268, 1408, 1540, 1585, 1760, 2219, 2240, 2464, 2536, 3080, 3170, 3487, 3520, 4438, 4480, 4928, 5072, 6160, 6340, 6974, 7040, 8876, 9856, 10144, 11095, 12320, 12680, 13948, 17435, 17752, 20288, 22190, 24409, 24640, 25360, 27896, 34870, 35504, 40576, 44380, 48818, 49280, 50720, 55792, 69740, 71008, 88760, 97636, 101440, 111584, 122045, 139480, 142016, 177520, 195272, 202880, 223168, 244090, 278960, 284032, 355040, 390544, 446336, 488180, 557920, 710080, 781088, 976360, 1115840, 1420160, 1562176, 1952720, 2231680, 3124352, 3905440, 7810880, 15621760]

約数ペア:

[(1, 15621760), (2, 7810880), (4, 3905440), (5, 3124352), (7, 2231680), (8, 1952720), (10, 1562176), (11, 1420160), (14, 1115840), (16, 976360), (20, 781088), (22, 710080), (28, 557920), (32, 488180), (35, 446336), (40, 390544), (44, 355040), (55, 284032), (56, 278960), (64, 244090), (70, 223168), (77, 202880), (80, 195272), (88, 177520), (110, 142016), (112, 139480), (128, 122045), (140, 111584), (154, 101440), (160, 97636), (176, 88760), (220, 71008), (224, 69740), (280, 55792), (308, 50720), (317, 49280), (320, 48818), (352, 44380), (385, 40576), (440, 35504), (448, 34870), (560, 27896), (616, 25360), (634, 24640), (640, 24409), (704, 22190), (770, 20288), (880, 17752), (896, 17435), (1120, 13948), (1232, 12680), (1268, 12320), (1408, 11095), (1540, 10144), (1585, 9856), (1760, 8876), (2219, 7040), (2240, 6974), (2464, 6340), (2536, 6160), (3080, 5072), (3170, 4928), (3487, 4480), (3520, 4438)]