28614420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2239}}^1$

素因数の和:2325

約数の個数: 72

約数和(自身を含む): 88058880

約数和(自身を除く): 59444460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2239, 2556, 3195, 4260, 4478, 6390, 6717, 8956, 11195, 12780, 13434, 20151, 22390, 26868, 33585, 40302, 44780, 67170, 80604, 100755, 134340, 158969, 201510, 317938, 403020, 476907, 635876, 794845, 953814, 1430721, 1589690, 1907628, 2384535, 2861442, 3179380, 4769070, 5722884, 7153605, 9538140, 14307210, 28614420]

約数ペア:

[(1, 28614420), (2, 14307210), (3, 9538140), (4, 7153605), (5, 5722884), (6, 4769070), (9, 3179380), (10, 2861442), (12, 2384535), (15, 1907628), (18, 1589690), (20, 1430721), (30, 953814), (36, 794845), (45, 635876), (60, 476907), (71, 403020), (90, 317938), (142, 201510), (180, 158969), (213, 134340), (284, 100755), (355, 80604), (426, 67170), (639, 44780), (710, 40302), (852, 33585), (1065, 26868), (1278, 22390), (1420, 20151), (2130, 13434), (2239, 12780), (2556, 11195), (3195, 8956), (4260, 6717), (4478, 6390)]