1189898320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{3187}}^1$

素因数の和:3572

約数の個数: 80

約数和(自身を含む): 2988558720

約数和(自身を除く): 1798660400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 359, 520, 718, 1040, 1436, 1795, 2872, 3187, 3590, 4667, 5744, 6374, 7180, 9334, 12748, 14360, 15935, 18668, 23335, 25496, 28720, 31870, 37336, 41431, 46670, 50992, 63740, 74672, 82862, 93340, 127480, 165724, 186680, 207155, 254960, 331448, 373360, 414310, 662896, 828620, 1144133, 1657240, 2288266, 3314480, 4576532, 5720665, 9153064, 11441330, 14873729, 18306128, 22882660, 29747458, 45765320, 59494916, 74368645, 91530640, 118989832, 148737290, 237979664, 297474580, 594949160, 1189898320]

約数ペア:

[(1, 1189898320), (2, 594949160), (4, 297474580), (5, 237979664), (8, 148737290), (10, 118989832), (13, 91530640), (16, 74368645), (20, 59494916), (26, 45765320), (40, 29747458), (52, 22882660), (65, 18306128), (80, 14873729), (104, 11441330), (130, 9153064), (208, 5720665), (260, 4576532), (359, 3314480), (520, 2288266), (718, 1657240), (1040, 1144133), (1436, 828620), (1795, 662896), (2872, 414310), (3187, 373360), (3590, 331448), (4667, 254960), (5744, 207155), (6374, 186680), (7180, 165724), (9334, 127480), (12748, 93340), (14360, 82862), (15935, 74672), (18668, 63740), (23335, 50992), (25496, 46670), (28720, 41431), (31870, 37336)]