28539360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19819}}^1$

素因数の和:19840

約数の個数: 72

約数和(自身を含む): 97395480

約数和(自身を除く): 68856120

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, 19819, 39638, 59457, 79276, 99095, 118914, 158552, 178371, 198190, 237828, 297285, 317104, 356742, 396380, 475656, 594570, 634208, 713484, 792760, 891855, 951312, 1189140, 1426968, 1585520, 1783710, 1902624, 2378280, 2853936, 3171040, 3567420, 4756560, 5707872, 7134840, 9513120, 14269680, 28539360]

約数ペア:

[(1, 28539360), (2, 14269680), (3, 9513120), (4, 7134840), (5, 5707872), (6, 4756560), (8, 3567420), (9, 3171040), (10, 2853936), (12, 2378280), (15, 1902624), (16, 1783710), (18, 1585520), (20, 1426968), (24, 1189140), (30, 951312), (32, 891855), (36, 792760), (40, 713484), (45, 634208), (48, 594570), (60, 475656), (72, 396380), (80, 356742), (90, 317104), (96, 297285), (120, 237828), (144, 198190), (160, 178371), (180, 158552), (240, 118914), (288, 99095), (360, 79276), (480, 59457), (720, 39638), (1440, 19819)]