157433320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 405440640

約数和(自身を除く): 248007320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 53, 55, 86, 88, 106, 110, 157, 172, 212, 215, 220, 265, 314, 344, 424, 430, 440, 473, 530, 583, 628, 785, 860, 946, 1060, 1166, 1256, 1570, 1720, 1727, 1892, 2120, 2279, 2332, 2365, 2915, 3140, 3454, 3784, 4558, 4664, 4730, 5830, 6280, 6751, 6908, 8321, 8635, 9116, 9460, 11395, 11660, 13502, 13816, 16642, 17270, 18232, 18920, 22790, 23320, 25069, 27004, 33284, 33755, 34540, 41605, 45580, 50138, 54008, 66568, 67510, 69080, 74261, 83210, 91160, 91531, 100276, 125345, 135020, 148522, 166420, 183062, 200552, 250690, 270040, 297044, 332840, 357803, 366124, 371305, 457655, 501380, 594088, 715606, 732248, 742610, 915310, 1002760, 1431212, 1485220, 1789015, 1830620, 2862424, 2970440, 3578030, 3661240, 3935833, 7156060, 7871666, 14312120, 15743332, 19679165, 31486664, 39358330, 78716660, 157433320]

約数ペア:

[(1, 157433320), (2, 78716660), (4, 39358330), (5, 31486664), (8, 19679165), (10, 15743332), (11, 14312120), (20, 7871666), (22, 7156060), (40, 3935833), (43, 3661240), (44, 3578030), (53, 2970440), (55, 2862424), (86, 1830620), (88, 1789015), (106, 1485220), (110, 1431212), (157, 1002760), (172, 915310), (212, 742610), (215, 732248), (220, 715606), (265, 594088), (314, 501380), (344, 457655), (424, 371305), (430, 366124), (440, 357803), (473, 332840), (530, 297044), (583, 270040), (628, 250690), (785, 200552), (860, 183062), (946, 166420), (1060, 148522), (1166, 135020), (1256, 125345), (1570, 100276), (1720, 91531), (1727, 91160), (1892, 83210), (2120, 74261), (2279, 69080), (2332, 67510), (2365, 66568), (2915, 54008), (3140, 50138), (3454, 45580), (3784, 41605), (4558, 34540), (4664, 33755), (4730, 33284), (5830, 27004), (6280, 25069), (6751, 23320), (6908, 22790), (8321, 18920), (8635, 18232), (9116, 17270), (9460, 16642), (11395, 13816), (11660, 13502)]