80959760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1133

約数の個数: 120

約数和(自身を含む): 230699520

約数和(自身を除く): 149739760

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, 1087, 1330, 1520, 1862, 1960, 2128, 2174, 2660, 3724, 3920, 4348, 4655, 5320, 5435, 7448, 7609, 8696, 9310, 10640, 10870, 14896, 15218, 17392, 18620, 20653, 21740, 30436, 37240, 38045, 41306, 43480, 53263, 60872, 74480, 76090, 82612, 86960, 103265, 106526, 121744, 144571, 152180, 165224, 206530, 213052, 266315, 289142, 304360, 330448, 413060, 426104, 532630, 578284, 608720, 722855, 826120, 852208, 1011997, 1065260, 1156568, 1445710, 1652240, 2023994, 2130520, 2313136, 2891420, 4047988, 4261040, 5059985, 5782840, 8095976, 10119970, 11565680, 16191952, 20239940, 40479880, 80959760]

約数ペア:

[(1, 80959760), (2, 40479880), (4, 20239940), (5, 16191952), (7, 11565680), (8, 10119970), (10, 8095976), (14, 5782840), (16, 5059985), (19, 4261040), (20, 4047988), (28, 2891420), (35, 2313136), (38, 2130520), (40, 2023994), (49, 1652240), (56, 1445710), (70, 1156568), (76, 1065260), (80, 1011997), (95, 852208), (98, 826120), (112, 722855), (133, 608720), (140, 578284), (152, 532630), (190, 426104), (196, 413060), (245, 330448), (266, 304360), (280, 289142), (304, 266315), (380, 213052), (392, 206530), (490, 165224), (532, 152180), (560, 144571), (665, 121744), (760, 106526), (784, 103265), (931, 86960), (980, 82612), (1064, 76090), (1087, 74480), (1330, 60872), (1520, 53263), (1862, 43480), (1960, 41306), (2128, 38045), (2174, 37240), (2660, 30436), (3724, 21740), (3920, 20653), (4348, 18620), (4655, 17392), (5320, 15218), (5435, 14896), (7448, 10870), (7609, 10640), (8696, 9310)]