28328670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 47703330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 239, 270, 439, 478, 717, 878, 1195, 1317, 1434, 2151, 2195, 2390, 2634, 3585, 3951, 4302, 4390, 6453, 6585, 7170, 7902, 10755, 11853, 12906, 13170, 19755, 21510, 23706, 32265, 39510, 59265, 64530, 104921, 118530, 209842, 314763, 524605, 629526, 944289, 1049210, 1573815, 1888578, 2832867, 3147630, 4721445, 5665734, 9442890, 14164335, 28328670]

約数ペア:

[(1, 28328670), (2, 14164335), (3, 9442890), (5, 5665734), (6, 4721445), (9, 3147630), (10, 2832867), (15, 1888578), (18, 1573815), (27, 1049210), (30, 944289), (45, 629526), (54, 524605), (90, 314763), (135, 209842), (239, 118530), (270, 104921), (439, 64530), (478, 59265), (717, 39510), (878, 32265), (1195, 23706), (1317, 21510), (1434, 19755), (2151, 13170), (2195, 12906), (2390, 11853), (2634, 10755), (3585, 7902), (3951, 7170), (4302, 6585), (4390, 6453)]