1637220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2099}}^1$

素因数の和:2124

約数の個数: 48

約数和(自身を含む): 4939200

約数和(自身を除く): 3301980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2099, 4198, 6297, 8396, 10495, 12594, 20990, 25188, 27287, 31485, 41980, 54574, 62970, 81861, 109148, 125940, 136435, 163722, 272870, 327444, 409305, 545740, 818610, 1637220]

約数ペア:

[(1, 1637220), (2, 818610), (3, 545740), (4, 409305), (5, 327444), (6, 272870), (10, 163722), (12, 136435), (13, 125940), (15, 109148), (20, 81861), (26, 62970), (30, 54574), (39, 41980), (52, 31485), (60, 27287), (65, 25188), (78, 20990), (130, 12594), (156, 10495), (195, 8396), (260, 6297), (390, 4198), (780, 2099)]