51465680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:737

約数の個数: 120

約数和(自身を含む): 146731680

約数和(自身を除く): 95266000

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, 691, 760, 784, 931, 980, 1064, 1330, 1382, 1520, 1862, 1960, 2128, 2660, 2764, 3455, 3724, 3920, 4655, 4837, 5320, 5528, 6910, 7448, 9310, 9674, 10640, 11056, 13129, 13820, 14896, 18620, 19348, 24185, 26258, 27640, 33859, 37240, 38696, 48370, 52516, 55280, 65645, 67718, 74480, 77392, 91903, 96740, 105032, 131290, 135436, 169295, 183806, 193480, 210064, 262580, 270872, 338590, 367612, 386960, 459515, 525160, 541744, 643321, 677180, 735224, 919030, 1050320, 1286642, 1354360, 1470448, 1838060, 2573284, 2708720, 3216605, 3676120, 5146568, 6433210, 7352240, 10293136, 12866420, 25732840, 51465680]

約数ペア:

[(1, 51465680), (2, 25732840), (4, 12866420), (5, 10293136), (7, 7352240), (8, 6433210), (10, 5146568), (14, 3676120), (16, 3216605), (19, 2708720), (20, 2573284), (28, 1838060), (35, 1470448), (38, 1354360), (40, 1286642), (49, 1050320), (56, 919030), (70, 735224), (76, 677180), (80, 643321), (95, 541744), (98, 525160), (112, 459515), (133, 386960), (140, 367612), (152, 338590), (190, 270872), (196, 262580), (245, 210064), (266, 193480), (280, 183806), (304, 169295), (380, 135436), (392, 131290), (490, 105032), (532, 96740), (560, 91903), (665, 77392), (691, 74480), (760, 67718), (784, 65645), (931, 55280), (980, 52516), (1064, 48370), (1330, 38696), (1382, 37240), (1520, 33859), (1862, 27640), (1960, 26258), (2128, 24185), (2660, 19348), (2764, 18620), (3455, 14896), (3724, 13820), (3920, 13129), (4655, 11056), (4837, 10640), (5320, 9674), (5528, 9310), (6910, 7448)]