220171140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1$

素因数の和:1106

約数の個数: 144

約数和(自身を含む): 767999232

約数和(自身を除く): 547828092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 197, 210, 252, 315, 394, 420, 591, 630, 788, 887, 985, 1182, 1260, 1379, 1773, 1774, 1970, 2364, 2661, 2758, 2955, 3546, 3548, 3940, 4137, 4435, 5322, 5516, 5910, 6209, 6895, 7092, 7983, 8274, 8865, 8870, 10644, 11820, 12411, 12418, 13305, 13790, 15966, 16548, 17730, 17740, 18627, 20685, 24822, 24836, 26610, 27580, 31045, 31932, 35460, 37254, 39915, 41370, 49644, 53220, 55881, 62055, 62090, 74508, 79830, 82740, 93135, 111762, 124110, 124180, 159660, 174739, 186270, 223524, 248220, 279405, 349478, 372540, 524217, 558810, 698956, 873695, 1048434, 1117620, 1223173, 1572651, 1747390, 2096868, 2446346, 2621085, 3145302, 3494780, 3669519, 4892692, 5242170, 6115865, 6290604, 7339038, 7863255, 10484340, 11008557, 12231730, 14678076, 15726510, 18347595, 22017114, 24463460, 31453020, 36695190, 44034228, 55042785, 73390380, 110085570, 220171140]

約数ペア:

[(1, 220171140), (2, 110085570), (3, 73390380), (4, 55042785), (5, 44034228), (6, 36695190), (7, 31453020), (9, 24463460), (10, 22017114), (12, 18347595), (14, 15726510), (15, 14678076), (18, 12231730), (20, 11008557), (21, 10484340), (28, 7863255), (30, 7339038), (35, 6290604), (36, 6115865), (42, 5242170), (45, 4892692), (60, 3669519), (63, 3494780), (70, 3145302), (84, 2621085), (90, 2446346), (105, 2096868), (126, 1747390), (140, 1572651), (180, 1223173), (197, 1117620), (210, 1048434), (252, 873695), (315, 698956), (394, 558810), (420, 524217), (591, 372540), (630, 349478), (788, 279405), (887, 248220), (985, 223524), (1182, 186270), (1260, 174739), (1379, 159660), (1773, 124180), (1774, 124110), (1970, 111762), (2364, 93135), (2661, 82740), (2758, 79830), (2955, 74508), (3546, 62090), (3548, 62055), (3940, 55881), (4137, 53220), (4435, 49644), (5322, 41370), (5516, 39915), (5910, 37254), (6209, 35460), (6895, 31932), (7092, 31045), (7983, 27580), (8274, 26610), (8865, 24836), (8870, 24822), (10644, 20685), (11820, 18627), (12411, 17740), (12418, 17730), (13305, 16548), (13790, 15966)]