8911320

素因数分解:

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

素因数の和:225

約数の個数: 128

約数和(自身を含む): 30032640

約数和(自身を除く): 21121320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 157, 165, 172, 215, 220, 258, 264, 314, 330, 344, 430, 440, 471, 473, 516, 628, 645, 660, 785, 860, 942, 946, 1032, 1256, 1290, 1320, 1419, 1570, 1720, 1727, 1884, 1892, 2355, 2365, 2580, 2838, 3140, 3454, 3768, 3784, 4710, 4730, 5160, 5181, 5676, 6280, 6751, 6908, 7095, 8635, 9420, 9460, 10362, 11352, 13502, 13816, 14190, 17270, 18840, 18920, 20253, 20724, 25905, 27004, 28380, 33755, 34540, 40506, 41448, 51810, 54008, 56760, 67510, 69080, 74261, 81012, 101265, 103620, 135020, 148522, 162024, 202530, 207240, 222783, 270040, 297044, 371305, 405060, 445566, 594088, 742610, 810120, 891132, 1113915, 1485220, 1782264, 2227830, 2970440, 4455660, 8911320]

約数ペア:

[(1, 8911320), (2, 4455660), (3, 2970440), (4, 2227830), (5, 1782264), (6, 1485220), (8, 1113915), (10, 891132), (11, 810120), (12, 742610), (15, 594088), (20, 445566), (22, 405060), (24, 371305), (30, 297044), (33, 270040), (40, 222783), (43, 207240), (44, 202530), (55, 162024), (60, 148522), (66, 135020), (86, 103620), (88, 101265), (110, 81012), (120, 74261), (129, 69080), (132, 67510), (157, 56760), (165, 54008), (172, 51810), (215, 41448), (220, 40506), (258, 34540), (264, 33755), (314, 28380), (330, 27004), (344, 25905), (430, 20724), (440, 20253), (471, 18920), (473, 18840), (516, 17270), (628, 14190), (645, 13816), (660, 13502), (785, 11352), (860, 10362), (942, 9460), (946, 9420), (1032, 8635), (1256, 7095), (1290, 6908), (1320, 6751), (1419, 6280), (1570, 5676), (1720, 5181), (1727, 5160), (1884, 4730), (1892, 4710), (2355, 3784), (2365, 3768), (2580, 3454), (2838, 3140)]