2543640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 8709120

約数和(自身を除く): 6165480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 47, 55, 60, 66, 82, 88, 94, 110, 120, 123, 132, 141, 164, 165, 188, 205, 220, 235, 246, 264, 282, 328, 330, 376, 410, 440, 451, 470, 492, 517, 564, 615, 660, 705, 820, 902, 940, 984, 1034, 1128, 1230, 1320, 1353, 1410, 1551, 1640, 1804, 1880, 1927, 2068, 2255, 2460, 2585, 2706, 2820, 3102, 3608, 3854, 4136, 4510, 4920, 5170, 5412, 5640, 5781, 6204, 6765, 7708, 7755, 9020, 9635, 10340, 10824, 11562, 12408, 13530, 15416, 15510, 18040, 19270, 20680, 21197, 23124, 27060, 28905, 31020, 38540, 42394, 46248, 54120, 57810, 62040, 63591, 77080, 84788, 105985, 115620, 127182, 169576, 211970, 231240, 254364, 317955, 423940, 508728, 635910, 847880, 1271820, 2543640]

約数ペア:

[(1, 2543640), (2, 1271820), (3, 847880), (4, 635910), (5, 508728), (6, 423940), (8, 317955), (10, 254364), (11, 231240), (12, 211970), (15, 169576), (20, 127182), (22, 115620), (24, 105985), (30, 84788), (33, 77080), (40, 63591), (41, 62040), (44, 57810), (47, 54120), (55, 46248), (60, 42394), (66, 38540), (82, 31020), (88, 28905), (94, 27060), (110, 23124), (120, 21197), (123, 20680), (132, 19270), (141, 18040), (164, 15510), (165, 15416), (188, 13530), (205, 12408), (220, 11562), (235, 10824), (246, 10340), (264, 9635), (282, 9020), (328, 7755), (330, 7708), (376, 6765), (410, 6204), (440, 5781), (451, 5640), (470, 5412), (492, 5170), (517, 4920), (564, 4510), (615, 4136), (660, 3854), (705, 3608), (820, 3102), (902, 2820), (940, 2706), (984, 2585), (1034, 2460), (1128, 2255), (1230, 2068), (1320, 1927), (1353, 1880), (1410, 1804), (1551, 1640)]