7671440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 22052160

約数和(自身を除く): 14380720

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, 103, 112, 133, 140, 152, 190, 196, 206, 245, 266, 280, 304, 380, 392, 412, 490, 515, 532, 560, 665, 721, 760, 784, 824, 931, 980, 1030, 1064, 1330, 1442, 1520, 1648, 1862, 1957, 1960, 2060, 2128, 2660, 2884, 3605, 3724, 3914, 3920, 4120, 4655, 5047, 5320, 5768, 7210, 7448, 7828, 8240, 9310, 9785, 10094, 10640, 11536, 13699, 14420, 14896, 15656, 18620, 19570, 20188, 25235, 27398, 28840, 31312, 37240, 39140, 40376, 50470, 54796, 57680, 68495, 74480, 78280, 80752, 95893, 100940, 109592, 136990, 156560, 191786, 201880, 219184, 273980, 383572, 403760, 479465, 547960, 767144, 958930, 1095920, 1534288, 1917860, 3835720, 7671440]

約数ペア:

[(1, 7671440), (2, 3835720), (4, 1917860), (5, 1534288), (7, 1095920), (8, 958930), (10, 767144), (14, 547960), (16, 479465), (19, 403760), (20, 383572), (28, 273980), (35, 219184), (38, 201880), (40, 191786), (49, 156560), (56, 136990), (70, 109592), (76, 100940), (80, 95893), (95, 80752), (98, 78280), (103, 74480), (112, 68495), (133, 57680), (140, 54796), (152, 50470), (190, 40376), (196, 39140), (206, 37240), (245, 31312), (266, 28840), (280, 27398), (304, 25235), (380, 20188), (392, 19570), (412, 18620), (490, 15656), (515, 14896), (532, 14420), (560, 13699), (665, 11536), (721, 10640), (760, 10094), (784, 9785), (824, 9310), (931, 8240), (980, 7828), (1030, 7448), (1064, 7210), (1330, 5768), (1442, 5320), (1520, 5047), (1648, 4655), (1862, 4120), (1957, 3920), (1960, 3914), (2060, 3724), (2128, 3605), (2660, 2884)]