1229820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 3494400

約数和(自身を除く): 2264580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 199, 206, 309, 398, 412, 515, 597, 618, 796, 995, 1030, 1194, 1236, 1545, 1990, 2060, 2388, 2985, 3090, 3980, 5970, 6180, 11940, 20497, 40994, 61491, 81988, 102485, 122982, 204970, 245964, 307455, 409940, 614910, 1229820]

約数ペア:

[(1, 1229820), (2, 614910), (3, 409940), (4, 307455), (5, 245964), (6, 204970), (10, 122982), (12, 102485), (15, 81988), (20, 61491), (30, 40994), (60, 20497), (103, 11940), (199, 6180), (206, 5970), (309, 3980), (398, 3090), (412, 2985), (515, 2388), (597, 2060), (618, 1990), (796, 1545), (995, 1236), (1030, 1194)]