1788080

素因数分解:

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

素因数の和:154

約数の個数: 80

約数和(自身を含む): 4952064

約数和(自身を除く): 3163984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 103, 112, 124, 140, 155, 206, 217, 248, 280, 310, 412, 434, 496, 515, 560, 620, 721, 824, 868, 1030, 1085, 1240, 1442, 1648, 1736, 2060, 2170, 2480, 2884, 3193, 3472, 3605, 4120, 4340, 5768, 6386, 7210, 8240, 8680, 11536, 12772, 14420, 15965, 17360, 22351, 25544, 28840, 31930, 44702, 51088, 57680, 63860, 89404, 111755, 127720, 178808, 223510, 255440, 357616, 447020, 894040, 1788080]

約数ペア:

[(1, 1788080), (2, 894040), (4, 447020), (5, 357616), (7, 255440), (8, 223510), (10, 178808), (14, 127720), (16, 111755), (20, 89404), (28, 63860), (31, 57680), (35, 51088), (40, 44702), (56, 31930), (62, 28840), (70, 25544), (80, 22351), (103, 17360), (112, 15965), (124, 14420), (140, 12772), (155, 11536), (206, 8680), (217, 8240), (248, 7210), (280, 6386), (310, 5768), (412, 4340), (434, 4120), (496, 3605), (515, 3472), (560, 3193), (620, 2884), (721, 2480), (824, 2170), (868, 2060), (1030, 1736), (1085, 1648), (1240, 1442)]