15259640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 22756360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 439, 440, 632, 790, 869, 878, 1580, 1738, 1756, 2195, 3160, 3476, 3512, 4345, 4390, 4829, 6952, 8690, 8780, 9658, 17380, 17560, 19316, 24145, 34681, 34760, 38632, 48290, 69362, 96580, 138724, 173405, 193160, 277448, 346810, 381491, 693620, 762982, 1387240, 1525964, 1907455, 3051928, 3814910, 7629820, 15259640]

約数ペア:

[(1, 15259640), (2, 7629820), (4, 3814910), (5, 3051928), (8, 1907455), (10, 1525964), (11, 1387240), (20, 762982), (22, 693620), (40, 381491), (44, 346810), (55, 277448), (79, 193160), (88, 173405), (110, 138724), (158, 96580), (220, 69362), (316, 48290), (395, 38632), (439, 34760), (440, 34681), (632, 24145), (790, 19316), (869, 17560), (878, 17380), (1580, 9658), (1738, 8780), (1756, 8690), (2195, 6952), (3160, 4829), (3476, 4390), (3512, 4345)]