21446640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9929}}^1$

素因数の和:9951

約数の個数: 80

約数和(自身を含む): 73879200

約数和(自身を除く): 52432560

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, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9929, 19858, 29787, 39716, 49645, 59574, 79432, 89361, 99290, 119148, 148935, 158864, 178722, 198580, 238296, 268083, 297870, 357444, 397160, 446805, 476592, 536166, 595740, 714888, 794320, 893610, 1072332, 1191480, 1340415, 1429776, 1787220, 2144664, 2382960, 2680830, 3574440, 4289328, 5361660, 7148880, 10723320, 21446640]

約数ペア:

[(1, 21446640), (2, 10723320), (3, 7148880), (4, 5361660), (5, 4289328), (6, 3574440), (8, 2680830), (9, 2382960), (10, 2144664), (12, 1787220), (15, 1429776), (16, 1340415), (18, 1191480), (20, 1072332), (24, 893610), (27, 794320), (30, 714888), (36, 595740), (40, 536166), (45, 476592), (48, 446805), (54, 397160), (60, 357444), (72, 297870), (80, 268083), (90, 238296), (108, 198580), (120, 178722), (135, 158864), (144, 148935), (180, 119148), (216, 99290), (240, 89361), (270, 79432), (360, 59574), (432, 49645), (540, 39716), (720, 29787), (1080, 19858), (2160, 9929)]