256913440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12073}}^1$

素因数の和:12114

約数の個数: 96

約数和(自身を含む): 730235520

約数和(自身を除く): 473322080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 4256, 5320, 10640, 12073, 21280, 24146, 48292, 60365, 84511, 96584, 120730, 169022, 193168, 229387, 241460, 338044, 386336, 422555, 458774, 482920, 676088, 845110, 917548, 965840, 1146935, 1352176, 1605709, 1690220, 1835096, 1931680, 2293870, 2704352, 3211418, 3380440, 3670192, 4587740, 6422836, 6760880, 7340384, 8028545, 9175480, 12845672, 13521760, 16057090, 18350960, 25691344, 32114180, 36701920, 51382688, 64228360, 128456720, 256913440]

約数ペア:

[(1, 256913440), (2, 128456720), (4, 64228360), (5, 51382688), (7, 36701920), (8, 32114180), (10, 25691344), (14, 18350960), (16, 16057090), (19, 13521760), (20, 12845672), (28, 9175480), (32, 8028545), (35, 7340384), (38, 6760880), (40, 6422836), (56, 4587740), (70, 3670192), (76, 3380440), (80, 3211418), (95, 2704352), (112, 2293870), (133, 1931680), (140, 1835096), (152, 1690220), (160, 1605709), (190, 1352176), (224, 1146935), (266, 965840), (280, 917548), (304, 845110), (380, 676088), (532, 482920), (560, 458774), (608, 422555), (665, 386336), (760, 338044), (1064, 241460), (1120, 229387), (1330, 193168), (1520, 169022), (2128, 120730), (2660, 96584), (3040, 84511), (4256, 60365), (5320, 48292), (10640, 24146), (12073, 21280)]