280722420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12889}}^1$

素因数の和:12926

約数の個数: 108

約数和(自身を含む): 936046020

約数和(自身を除く): 655323600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 10890, 12889, 21780, 25778, 38667, 51556, 64445, 77334, 116001, 128890, 141779, 154668, 193335, 232002, 257780, 283558, 386670, 425337, 464004, 567116, 580005, 708895, 773340, 850674, 1160010, 1276011, 1417790, 1559569, 1701348, 2126685, 2320020, 2552022, 2835580, 3119138, 4253370, 4678707, 5104044, 6238276, 6380055, 7797845, 8506740, 9357414, 12760110, 14036121, 15595690, 18714828, 23393535, 25520220, 28072242, 31191380, 46787070, 56144484, 70180605, 93574140, 140361210, 280722420]

約数ペア:

[(1, 280722420), (2, 140361210), (3, 93574140), (4, 70180605), (5, 56144484), (6, 46787070), (9, 31191380), (10, 28072242), (11, 25520220), (12, 23393535), (15, 18714828), (18, 15595690), (20, 14036121), (22, 12760110), (30, 9357414), (33, 8506740), (36, 7797845), (44, 6380055), (45, 6238276), (55, 5104044), (60, 4678707), (66, 4253370), (90, 3119138), (99, 2835580), (110, 2552022), (121, 2320020), (132, 2126685), (165, 1701348), (180, 1559569), (198, 1417790), (220, 1276011), (242, 1160010), (330, 850674), (363, 773340), (396, 708895), (484, 580005), (495, 567116), (605, 464004), (660, 425337), (726, 386670), (990, 283558), (1089, 257780), (1210, 232002), (1452, 193335), (1815, 154668), (1980, 141779), (2178, 128890), (2420, 116001), (3630, 77334), (4356, 64445), (5445, 51556), (7260, 38667), (10890, 25778), (12889, 21780)]