21686880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45181}}^1$

素因数の和:45199

約数の個数: 48

約数和(自身を含む): 68315184

約数和(自身を除く): 46628304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45181, 90362, 135543, 180724, 225905, 271086, 361448, 451810, 542172, 677715, 722896, 903620, 1084344, 1355430, 1445792, 1807240, 2168688, 2710860, 3614480, 4337376, 5421720, 7228960, 10843440, 21686880]

約数ペア:

[(1, 21686880), (2, 10843440), (3, 7228960), (4, 5421720), (5, 4337376), (6, 3614480), (8, 2710860), (10, 2168688), (12, 1807240), (15, 1445792), (16, 1355430), (20, 1084344), (24, 903620), (30, 722896), (32, 677715), (40, 542172), (48, 451810), (60, 361448), (80, 271086), (96, 225905), (120, 180724), (160, 135543), (240, 90362), (480, 45181)]