12516560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 35283456

約数和(自身を除く): 22766896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 103, 112, 124, 140, 155, 196, 206, 217, 245, 248, 280, 310, 392, 412, 434, 490, 496, 515, 560, 620, 721, 784, 824, 868, 980, 1030, 1085, 1240, 1442, 1519, 1648, 1736, 1960, 2060, 2170, 2480, 2884, 3038, 3193, 3472, 3605, 3920, 4120, 4340, 5047, 5768, 6076, 6386, 7210, 7595, 8240, 8680, 10094, 11536, 12152, 12772, 14420, 15190, 15965, 17360, 20188, 22351, 24304, 25235, 25544, 28840, 30380, 31930, 40376, 44702, 50470, 51088, 57680, 60760, 63860, 80752, 89404, 100940, 111755, 121520, 127720, 156457, 178808, 201880, 223510, 255440, 312914, 357616, 403760, 447020, 625828, 782285, 894040, 1251656, 1564570, 1788080, 2503312, 3129140, 6258280, 12516560]

約数ペア:

[(1, 12516560), (2, 6258280), (4, 3129140), (5, 2503312), (7, 1788080), (8, 1564570), (10, 1251656), (14, 894040), (16, 782285), (20, 625828), (28, 447020), (31, 403760), (35, 357616), (40, 312914), (49, 255440), (56, 223510), (62, 201880), (70, 178808), (80, 156457), (98, 127720), (103, 121520), (112, 111755), (124, 100940), (140, 89404), (155, 80752), (196, 63860), (206, 60760), (217, 57680), (245, 51088), (248, 50470), (280, 44702), (310, 40376), (392, 31930), (412, 30380), (434, 28840), (490, 25544), (496, 25235), (515, 24304), (560, 22351), (620, 20188), (721, 17360), (784, 15965), (824, 15190), (868, 14420), (980, 12772), (1030, 12152), (1085, 11536), (1240, 10094), (1442, 8680), (1519, 8240), (1648, 7595), (1736, 7210), (1960, 6386), (2060, 6076), (2170, 5768), (2480, 5047), (2884, 4340), (3038, 4120), (3193, 3920), (3472, 3605)]