15342880

素因数分解:

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

素因数の和:151

約数の個数: 144

約数和(自身を含む): 44815680

約数和(自身を除く): 29472800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 103, 112, 133, 140, 152, 160, 190, 196, 206, 224, 245, 266, 280, 304, 380, 392, 412, 490, 515, 532, 560, 608, 665, 721, 760, 784, 824, 931, 980, 1030, 1064, 1120, 1330, 1442, 1520, 1568, 1648, 1862, 1957, 1960, 2060, 2128, 2660, 2884, 3040, 3296, 3605, 3724, 3914, 3920, 4120, 4256, 4655, 5047, 5320, 5768, 7210, 7448, 7828, 7840, 8240, 9310, 9785, 10094, 10640, 11536, 13699, 14420, 14896, 15656, 16480, 18620, 19570, 20188, 21280, 23072, 25235, 27398, 28840, 29792, 31312, 37240, 39140, 40376, 50470, 54796, 57680, 62624, 68495, 74480, 78280, 80752, 95893, 100940, 109592, 115360, 136990, 148960, 156560, 161504, 191786, 201880, 219184, 273980, 313120, 383572, 403760, 438368, 479465, 547960, 767144, 807520, 958930, 1095920, 1534288, 1917860, 2191840, 3068576, 3835720, 7671440, 15342880]

約数ペア:

[(1, 15342880), (2, 7671440), (4, 3835720), (5, 3068576), (7, 2191840), (8, 1917860), (10, 1534288), (14, 1095920), (16, 958930), (19, 807520), (20, 767144), (28, 547960), (32, 479465), (35, 438368), (38, 403760), (40, 383572), (49, 313120), (56, 273980), (70, 219184), (76, 201880), (80, 191786), (95, 161504), (98, 156560), (103, 148960), (112, 136990), (133, 115360), (140, 109592), (152, 100940), (160, 95893), (190, 80752), (196, 78280), (206, 74480), (224, 68495), (245, 62624), (266, 57680), (280, 54796), (304, 50470), (380, 40376), (392, 39140), (412, 37240), (490, 31312), (515, 29792), (532, 28840), (560, 27398), (608, 25235), (665, 23072), (721, 21280), (760, 20188), (784, 19570), (824, 18620), (931, 16480), (980, 15656), (1030, 14896), (1064, 14420), (1120, 13699), (1330, 11536), (1442, 10640), (1520, 10094), (1568, 9785), (1648, 9310), (1862, 8240), (1957, 7840), (1960, 7828), (2060, 7448), (2128, 7210), (2660, 5768), (2884, 5320), (3040, 5047), (3296, 4655), (3605, 4256), (3724, 4120), (3914, 3920)]