15517280

素因数分解:

$2^5\times 5^1\times {\mathrm{293}}^1\times {\mathrm{331}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 36895824

約数和(自身を除く): 21378544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 293, 331, 586, 662, 1172, 1324, 1465, 1655, 2344, 2648, 2930, 3310, 4688, 5296, 5860, 6620, 9376, 10592, 11720, 13240, 23440, 26480, 46880, 52960, 96983, 193966, 387932, 484915, 775864, 969830, 1551728, 1939660, 3103456, 3879320, 7758640, 15517280]

約数ペア:

[(1, 15517280), (2, 7758640), (4, 3879320), (5, 3103456), (8, 1939660), (10, 1551728), (16, 969830), (20, 775864), (32, 484915), (40, 387932), (80, 193966), (160, 96983), (293, 52960), (331, 46880), (586, 26480), (662, 23440), (1172, 13240), (1324, 11720), (1465, 10592), (1655, 9376), (2344, 6620), (2648, 5860), (2930, 5296), (3310, 4688)]