15963240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 48288960

約数和(自身を除く): 32325720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 971, 1096, 1370, 1644, 1942, 2055, 2740, 2913, 3288, 3884, 4110, 4855, 5480, 5826, 7768, 8220, 9710, 11652, 14565, 16440, 19420, 23304, 29130, 38840, 58260, 116520, 133027, 266054, 399081, 532108, 665135, 798162, 1064216, 1330270, 1596324, 1995405, 2660540, 3192648, 3990810, 5321080, 7981620, 15963240]

約数ペア:

[(1, 15963240), (2, 7981620), (3, 5321080), (4, 3990810), (5, 3192648), (6, 2660540), (8, 1995405), (10, 1596324), (12, 1330270), (15, 1064216), (20, 798162), (24, 665135), (30, 532108), (40, 399081), (60, 266054), (120, 133027), (137, 116520), (274, 58260), (411, 38840), (548, 29130), (685, 23304), (822, 19420), (971, 16440), (1096, 14565), (1370, 11652), (1644, 9710), (1942, 8220), (2055, 7768), (2740, 5826), (2913, 5480), (3288, 4855), (3884, 4110)]