28263480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33647}}^1$

素因数の和:33668

約数の個数: 64

約数和(自身を含む): 96906240

約数和(自身を除く): 68642760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33647, 67294, 100941, 134588, 168235, 201882, 235529, 269176, 336470, 403764, 471058, 504705, 672940, 706587, 807528, 942116, 1009410, 1177645, 1345880, 1413174, 1884232, 2018820, 2355290, 2826348, 3532935, 4037640, 4710580, 5652696, 7065870, 9421160, 14131740, 28263480]

約数ペア:

[(1, 28263480), (2, 14131740), (3, 9421160), (4, 7065870), (5, 5652696), (6, 4710580), (7, 4037640), (8, 3532935), (10, 2826348), (12, 2355290), (14, 2018820), (15, 1884232), (20, 1413174), (21, 1345880), (24, 1177645), (28, 1009410), (30, 942116), (35, 807528), (40, 706587), (42, 672940), (56, 504705), (60, 471058), (70, 403764), (84, 336470), (105, 269176), (120, 235529), (140, 201882), (168, 168235), (210, 134588), (280, 100941), (420, 67294), (840, 33647)]