20155402680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{774017}}^1$

素因数の和:774069

約数の個数: 128

約数和(自身を含む): 71333498880

約数和(自身を除く): 51178096200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 774017, 1548034, 2322051, 3096068, 3870085, 4644102, 5418119, 6192136, 7740170, 9288204, 10836238, 11610255, 15480340, 16254357, 18576408, 21672476, 23220510, 23994527, 27090595, 30960680, 32508714, 43344952, 46441020, 47989054, 54181190, 65017428, 71983581, 81271785, 92882040, 95978108, 108362380, 119972635, 130034856, 143967162, 162543570, 167961689, 191956216, 216724760, 239945270, 287934324, 325087140, 335923378, 359917905, 479890540, 503885067, 575868648, 650174280, 671846756, 719835810, 839808445, 959781080, 1007770134, 1343693512, 1439671620, 1679616890, 2015540268, 2519425335, 2879343240, 3359233780, 4031080536, 5038850670, 6718467560, 10077701340, 20155402680]

約数ペア:

[(1, 20155402680), (2, 10077701340), (3, 6718467560), (4, 5038850670), (5, 4031080536), (6, 3359233780), (7, 2879343240), (8, 2519425335), (10, 2015540268), (12, 1679616890), (14, 1439671620), (15, 1343693512), (20, 1007770134), (21, 959781080), (24, 839808445), (28, 719835810), (30, 671846756), (31, 650174280), (35, 575868648), (40, 503885067), (42, 479890540), (56, 359917905), (60, 335923378), (62, 325087140), (70, 287934324), (84, 239945270), (93, 216724760), (105, 191956216), (120, 167961689), (124, 162543570), (140, 143967162), (155, 130034856), (168, 119972635), (186, 108362380), (210, 95978108), (217, 92882040), (248, 81271785), (280, 71983581), (310, 65017428), (372, 54181190), (420, 47989054), (434, 46441020), (465, 43344952), (620, 32508714), (651, 30960680), (744, 27090595), (840, 23994527), (868, 23220510), (930, 21672476), (1085, 18576408), (1240, 16254357), (1302, 15480340), (1736, 11610255), (1860, 10836238), (2170, 9288204), (2604, 7740170), (3255, 6192136), (3720, 5418119), (4340, 4644102), (5208, 3870085), (6510, 3096068), (8680, 2322051), (13020, 1548034), (26040, 774017)]