1858740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2383}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 5607168

約数和(自身を除く): 3748428

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, 2383, 4766, 7149, 9532, 11915, 14298, 23830, 28596, 30979, 35745, 47660, 61958, 71490, 92937, 123916, 142980, 154895, 185874, 309790, 371748, 464685, 619580, 929370, 1858740]

約数ペア:

[(1, 1858740), (2, 929370), (3, 619580), (4, 464685), (5, 371748), (6, 309790), (10, 185874), (12, 154895), (13, 142980), (15, 123916), (20, 92937), (26, 71490), (30, 61958), (39, 47660), (52, 35745), (60, 30979), (65, 28596), (78, 23830), (130, 14298), (156, 11915), (195, 9532), (260, 7149), (390, 4766), (780, 2383)]