128427120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19819}}^1$

素因数の和:19844

約数の個数: 100

約数和(自身を含む): 446068920

約数和(自身を除く): 317641800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 19819, 39638, 59457, 79276, 99095, 118914, 158552, 178371, 198190, 237828, 297285, 317104, 356742, 396380, 475656, 535113, 594570, 713484, 792760, 891855, 951312, 1070226, 1189140, 1426968, 1585520, 1605339, 1783710, 2140452, 2378280, 2675565, 2853936, 3210678, 3567420, 4280904, 4756560, 5351130, 6421356, 7134840, 8026695, 8561808, 10702260, 12842712, 14269680, 16053390, 21404520, 25685424, 32106780, 42809040, 64213560, 128427120]

約数ペア:

[(1, 128427120), (2, 64213560), (3, 42809040), (4, 32106780), (5, 25685424), (6, 21404520), (8, 16053390), (9, 14269680), (10, 12842712), (12, 10702260), (15, 8561808), (16, 8026695), (18, 7134840), (20, 6421356), (24, 5351130), (27, 4756560), (30, 4280904), (36, 3567420), (40, 3210678), (45, 2853936), (48, 2675565), (54, 2378280), (60, 2140452), (72, 1783710), (80, 1605339), (81, 1585520), (90, 1426968), (108, 1189140), (120, 1070226), (135, 951312), (144, 891855), (162, 792760), (180, 713484), (216, 594570), (240, 535113), (270, 475656), (324, 396380), (360, 356742), (405, 317104), (432, 297285), (540, 237828), (648, 198190), (720, 178371), (810, 158552), (1080, 118914), (1296, 99095), (1620, 79276), (2160, 59457), (3240, 39638), (6480, 19819)]