8304280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 19918080

約数和(自身を除く): 11613800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 181, 185, 248, 296, 310, 362, 370, 620, 724, 740, 905, 1147, 1240, 1448, 1480, 1810, 2294, 3620, 4588, 5611, 5735, 6697, 7240, 9176, 11222, 11470, 13394, 22444, 22940, 26788, 28055, 33485, 44888, 45880, 53576, 56110, 66970, 112220, 133940, 207607, 224440, 267880, 415214, 830428, 1038035, 1660856, 2076070, 4152140, 8304280]

約数ペア:

[(1, 8304280), (2, 4152140), (4, 2076070), (5, 1660856), (8, 1038035), (10, 830428), (20, 415214), (31, 267880), (37, 224440), (40, 207607), (62, 133940), (74, 112220), (124, 66970), (148, 56110), (155, 53576), (181, 45880), (185, 44888), (248, 33485), (296, 28055), (310, 26788), (362, 22940), (370, 22444), (620, 13394), (724, 11470), (740, 11222), (905, 9176), (1147, 7240), (1240, 6697), (1448, 5735), (1480, 5611), (1810, 4588), (2294, 3620)]