15124280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12197}}^1$

素因数の和:12239

約数の個数: 32

約数和(自身を含む): 35130240

約数和(自身を除く): 20005960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12197, 24394, 48788, 60985, 97576, 121970, 243940, 378107, 487880, 756214, 1512428, 1890535, 3024856, 3781070, 7562140, 15124280]

約数ペア:

[(1, 15124280), (2, 7562140), (4, 3781070), (5, 3024856), (8, 1890535), (10, 1512428), (20, 756214), (31, 487880), (40, 378107), (62, 243940), (124, 121970), (155, 97576), (248, 60985), (310, 48788), (620, 24394), (1240, 12197)]