30751520

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2793

約数の個数: 48

約数和(自身を含む): 73700928

約数和(自身を除く): 42949408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2707, 2840, 5414, 5680, 10828, 11360, 13535, 21656, 27070, 43312, 54140, 86624, 108280, 192197, 216560, 384394, 433120, 768788, 960985, 1537576, 1921970, 3075152, 3843940, 6150304, 7687880, 15375760, 30751520]

約数ペア:

[(1, 30751520), (2, 15375760), (4, 7687880), (5, 6150304), (8, 3843940), (10, 3075152), (16, 1921970), (20, 1537576), (32, 960985), (40, 768788), (71, 433120), (80, 384394), (142, 216560), (160, 192197), (284, 108280), (355, 86624), (568, 54140), (710, 43312), (1136, 27070), (1420, 21656), (2272, 13535), (2707, 11360), (2840, 10828), (5414, 5680)]