28406340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157813}}^1$

素因数の和:157828

約数の個数: 36

約数和(自身を含む): 86166444

約数和(自身を除く): 57760104

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157813, 315626, 473439, 631252, 789065, 946878, 1420317, 1578130, 1893756, 2367195, 2840634, 3156260, 4734390, 5681268, 7101585, 9468780, 14203170, 28406340]

約数ペア:

[(1, 28406340), (2, 14203170), (3, 9468780), (4, 7101585), (5, 5681268), (6, 4734390), (9, 3156260), (10, 2840634), (12, 2367195), (15, 1893756), (18, 1578130), (20, 1420317), (30, 946878), (36, 789065), (45, 631252), (60, 473439), (90, 315626), (180, 157813)]