28522760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 79073280

約数和(自身を除く): 50550520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 86, 92, 103, 115, 140, 161, 172, 184, 206, 215, 230, 280, 301, 322, 344, 412, 430, 460, 515, 602, 644, 721, 805, 824, 860, 920, 989, 1030, 1204, 1288, 1442, 1505, 1610, 1720, 1978, 2060, 2369, 2408, 2884, 3010, 3220, 3605, 3956, 4120, 4429, 4738, 4945, 5768, 6020, 6440, 6923, 7210, 7912, 8858, 9476, 9890, 11845, 12040, 13846, 14420, 16583, 17716, 18952, 19780, 22145, 23690, 27692, 28840, 31003, 33166, 34615, 35432, 39560, 44290, 47380, 55384, 62006, 66332, 69230, 82915, 88580, 94760, 101867, 124012, 132664, 138460, 155015, 165830, 177160, 203734, 248024, 276920, 310030, 331660, 407468, 509335, 620060, 663320, 713069, 814936, 1018670, 1240120, 1426138, 2037340, 2852276, 3565345, 4074680, 5704552, 7130690, 14261380, 28522760]

約数ペア:

[(1, 28522760), (2, 14261380), (4, 7130690), (5, 5704552), (7, 4074680), (8, 3565345), (10, 2852276), (14, 2037340), (20, 1426138), (23, 1240120), (28, 1018670), (35, 814936), (40, 713069), (43, 663320), (46, 620060), (56, 509335), (70, 407468), (86, 331660), (92, 310030), (103, 276920), (115, 248024), (140, 203734), (161, 177160), (172, 165830), (184, 155015), (206, 138460), (215, 132664), (230, 124012), (280, 101867), (301, 94760), (322, 88580), (344, 82915), (412, 69230), (430, 66332), (460, 62006), (515, 55384), (602, 47380), (644, 44290), (721, 39560), (805, 35432), (824, 34615), (860, 33166), (920, 31003), (989, 28840), (1030, 27692), (1204, 23690), (1288, 22145), (1442, 19780), (1505, 18952), (1610, 17716), (1720, 16583), (1978, 14420), (2060, 13846), (2369, 12040), (2408, 11845), (2884, 9890), (3010, 9476), (3220, 8858), (3605, 7912), (3956, 7210), (4120, 6923), (4429, 6440), (4738, 6020), (4945, 5768)]