260605520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3499}}^1$

素因数の和:3545

約数の個数: 120

約数和(自身を含む): 742140000

約数和(自身を除く): 481534480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3499, 3724, 3920, 4655, 5320, 6998, 7448, 9310, 10640, 13996, 14896, 17495, 18620, 24493, 27992, 34990, 37240, 48986, 55984, 66481, 69980, 74480, 97972, 122465, 132962, 139960, 171451, 195944, 244930, 265924, 279920, 332405, 342902, 391888, 465367, 489860, 531848, 664810, 685804, 857255, 930734, 979720, 1063696, 1329620, 1371608, 1714510, 1861468, 1959440, 2326835, 2659240, 2743216, 3257569, 3429020, 3722936, 4653670, 5318480, 6515138, 6858040, 7445872, 9307340, 13030276, 13716080, 16287845, 18614680, 26060552, 32575690, 37229360, 52121104, 65151380, 130302760, 260605520]

約数ペア:

[(1, 260605520), (2, 130302760), (4, 65151380), (5, 52121104), (7, 37229360), (8, 32575690), (10, 26060552), (14, 18614680), (16, 16287845), (19, 13716080), (20, 13030276), (28, 9307340), (35, 7445872), (38, 6858040), (40, 6515138), (49, 5318480), (56, 4653670), (70, 3722936), (76, 3429020), (80, 3257569), (95, 2743216), (98, 2659240), (112, 2326835), (133, 1959440), (140, 1861468), (152, 1714510), (190, 1371608), (196, 1329620), (245, 1063696), (266, 979720), (280, 930734), (304, 857255), (380, 685804), (392, 664810), (490, 531848), (532, 489860), (560, 465367), (665, 391888), (760, 342902), (784, 332405), (931, 279920), (980, 265924), (1064, 244930), (1330, 195944), (1520, 171451), (1862, 139960), (1960, 132962), (2128, 122465), (2660, 97972), (3499, 74480), (3724, 69980), (3920, 66481), (4655, 55984), (5320, 48986), (6998, 37240), (7448, 34990), (9310, 27992), (10640, 24493), (13996, 18620), (14896, 17495)]