8118320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 23324400

約数和(自身を除く): 15206080

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, 109, 112, 133, 140, 152, 190, 196, 218, 245, 266, 280, 304, 380, 392, 436, 490, 532, 545, 560, 665, 760, 763, 784, 872, 931, 980, 1064, 1090, 1330, 1520, 1526, 1744, 1862, 1960, 2071, 2128, 2180, 2660, 3052, 3724, 3815, 3920, 4142, 4360, 4655, 5320, 5341, 6104, 7448, 7630, 8284, 8720, 9310, 10355, 10640, 10682, 12208, 14497, 14896, 15260, 16568, 18620, 20710, 21364, 26705, 28994, 30520, 33136, 37240, 41420, 42728, 53410, 57988, 61040, 72485, 74480, 82840, 85456, 101479, 106820, 115976, 144970, 165680, 202958, 213640, 231952, 289940, 405916, 427280, 507395, 579880, 811832, 1014790, 1159760, 1623664, 2029580, 4059160, 8118320]

約数ペア:

[(1, 8118320), (2, 4059160), (4, 2029580), (5, 1623664), (7, 1159760), (8, 1014790), (10, 811832), (14, 579880), (16, 507395), (19, 427280), (20, 405916), (28, 289940), (35, 231952), (38, 213640), (40, 202958), (49, 165680), (56, 144970), (70, 115976), (76, 106820), (80, 101479), (95, 85456), (98, 82840), (109, 74480), (112, 72485), (133, 61040), (140, 57988), (152, 53410), (190, 42728), (196, 41420), (218, 37240), (245, 33136), (266, 30520), (280, 28994), (304, 26705), (380, 21364), (392, 20710), (436, 18620), (490, 16568), (532, 15260), (545, 14896), (560, 14497), (665, 12208), (760, 10682), (763, 10640), (784, 10355), (872, 9310), (931, 8720), (980, 8284), (1064, 7630), (1090, 7448), (1330, 6104), (1520, 5341), (1526, 5320), (1744, 4655), (1862, 4360), (1960, 4142), (2071, 3920), (2128, 3815), (2180, 3724), (2660, 3052)]