28406880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19727}}^1$

素因数の和:19748

約数の個数: 72

約数和(自身を含む): 96943392

約数和(自身を除く): 68536512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 19727, 39454, 59181, 78908, 98635, 118362, 157816, 177543, 197270, 236724, 295905, 315632, 355086, 394540, 473448, 591810, 631264, 710172, 789080, 887715, 946896, 1183620, 1420344, 1578160, 1775430, 1893792, 2367240, 2840688, 3156320, 3550860, 4734480, 5681376, 7101720, 9468960, 14203440, 28406880]

約数ペア:

[(1, 28406880), (2, 14203440), (3, 9468960), (4, 7101720), (5, 5681376), (6, 4734480), (8, 3550860), (9, 3156320), (10, 2840688), (12, 2367240), (15, 1893792), (16, 1775430), (18, 1578160), (20, 1420344), (24, 1183620), (30, 946896), (32, 887715), (36, 789080), (40, 710172), (45, 631264), (48, 591810), (60, 473448), (72, 394540), (80, 355086), (90, 315632), (96, 295905), (120, 236724), (144, 197270), (160, 177543), (180, 157816), (240, 118362), (288, 98635), (360, 78908), (480, 59181), (720, 39454), (1440, 19727)]