255783920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2837}}^1$

素因数の和:2887

約数の個数: 120

約数和(自身を含む): 722123424

約数和(自身を除く): 466339504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1610, 1840, 1960, 2254, 2576, 2837, 3220, 3920, 4508, 5635, 5674, 6440, 9016, 11270, 11348, 12880, 14185, 18032, 19859, 22540, 22696, 28370, 39718, 45080, 45392, 56740, 65251, 79436, 90160, 99295, 113480, 130502, 139013, 158872, 198590, 226960, 261004, 278026, 317744, 326255, 397180, 456757, 522008, 556052, 652510, 695065, 794360, 913514, 1044016, 1112104, 1305020, 1390130, 1588720, 1827028, 2224208, 2283785, 2610040, 2780260, 3197299, 3654056, 4567570, 5220080, 5560520, 6394598, 7308112, 9135140, 11121040, 12789196, 15986495, 18270280, 25578392, 31972990, 36540560, 51156784, 63945980, 127891960, 255783920]

約数ペア:

[(1, 255783920), (2, 127891960), (4, 63945980), (5, 51156784), (7, 36540560), (8, 31972990), (10, 25578392), (14, 18270280), (16, 15986495), (20, 12789196), (23, 11121040), (28, 9135140), (35, 7308112), (40, 6394598), (46, 5560520), (49, 5220080), (56, 4567570), (70, 3654056), (80, 3197299), (92, 2780260), (98, 2610040), (112, 2283785), (115, 2224208), (140, 1827028), (161, 1588720), (184, 1390130), (196, 1305020), (230, 1112104), (245, 1044016), (280, 913514), (322, 794360), (368, 695065), (392, 652510), (460, 556052), (490, 522008), (560, 456757), (644, 397180), (784, 326255), (805, 317744), (920, 278026), (980, 261004), (1127, 226960), (1288, 198590), (1610, 158872), (1840, 139013), (1960, 130502), (2254, 113480), (2576, 99295), (2837, 90160), (3220, 79436), (3920, 65251), (4508, 56740), (5635, 45392), (5674, 45080), (6440, 39718), (9016, 28370), (11270, 22696), (11348, 22540), (12880, 19859), (14185, 18032)]