15691931540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{477539}}^1$

素因数の和:477632

約数の個数: 48

約数和(自身を含む): 34657943040

約数和(自身を除く): 18966011500

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 3286, 6572, 8215, 16430, 32860, 477539, 955078, 1910156, 2387695, 4775390, 9550780, 14803709, 25309567, 29607418, 50619134, 59214836, 74018545, 101238268, 126547835, 148037090, 253095670, 296074180, 506191340, 784596577, 1569193154, 3138386308, 3922982885, 7845965770, 15691931540]

約数ペア:

[(1, 15691931540), (2, 7845965770), (4, 3922982885), (5, 3138386308), (10, 1569193154), (20, 784596577), (31, 506191340), (53, 296074180), (62, 253095670), (106, 148037090), (124, 126547835), (155, 101238268), (212, 74018545), (265, 59214836), (310, 50619134), (530, 29607418), (620, 25309567), (1060, 14803709), (1643, 9550780), (3286, 4775390), (6572, 2387695), (8215, 1910156), (16430, 955078), (32860, 477539)]