81919020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1999}}^1$

素因数の和:2694

約数の個数: 48

約数和(自身を含む): 229824000

約数和(自身を除く): 147904980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 683, 1366, 1999, 2049, 2732, 3415, 3998, 4098, 5997, 6830, 7996, 8196, 9995, 10245, 11994, 13660, 19990, 20490, 23988, 29985, 39980, 40980, 59970, 119940, 1365317, 2730634, 4095951, 5461268, 6826585, 8191902, 13653170, 16383804, 20479755, 27306340, 40959510, 81919020]

約数ペア:

[(1, 81919020), (2, 40959510), (3, 27306340), (4, 20479755), (5, 16383804), (6, 13653170), (10, 8191902), (12, 6826585), (15, 5461268), (20, 4095951), (30, 2730634), (60, 1365317), (683, 119940), (1366, 59970), (1999, 40980), (2049, 39980), (2732, 29985), (3415, 23988), (3998, 20490), (4098, 19990), (5997, 13660), (6830, 11994), (7996, 10245), (8196, 9995)]