251624160

素因数分解:

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

素因数の和:1105

約数の個数: 144

約数和(自身を含む): 863999136

約数和(自身を除く): 612374976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 197, 240, 288, 360, 394, 480, 591, 720, 788, 887, 985, 1182, 1440, 1576, 1773, 1774, 1970, 2364, 2661, 2955, 3152, 3546, 3548, 3940, 4435, 4728, 5322, 5910, 6304, 7092, 7096, 7880, 7983, 8865, 8870, 9456, 10644, 11820, 13305, 14184, 14192, 15760, 15966, 17730, 17740, 18912, 21288, 23640, 26610, 28368, 28384, 31520, 31932, 35460, 35480, 39915, 42576, 47280, 53220, 56736, 63864, 70920, 70960, 79830, 85152, 94560, 106440, 127728, 141840, 141920, 159660, 174739, 212880, 255456, 283680, 319320, 349478, 425760, 524217, 638640, 698956, 873695, 1048434, 1277280, 1397912, 1572651, 1747390, 2096868, 2621085, 2795824, 3145302, 3494780, 4193736, 5242170, 5591648, 6290604, 6989560, 7863255, 8387472, 10484340, 12581208, 13979120, 15726510, 16774944, 20968680, 25162416, 27958240, 31453020, 41937360, 50324832, 62906040, 83874720, 125812080, 251624160]

約数ペア:

[(1, 251624160), (2, 125812080), (3, 83874720), (4, 62906040), (5, 50324832), (6, 41937360), (8, 31453020), (9, 27958240), (10, 25162416), (12, 20968680), (15, 16774944), (16, 15726510), (18, 13979120), (20, 12581208), (24, 10484340), (30, 8387472), (32, 7863255), (36, 6989560), (40, 6290604), (45, 5591648), (48, 5242170), (60, 4193736), (72, 3494780), (80, 3145302), (90, 2795824), (96, 2621085), (120, 2096868), (144, 1747390), (160, 1572651), (180, 1397912), (197, 1277280), (240, 1048434), (288, 873695), (360, 698956), (394, 638640), (480, 524217), (591, 425760), (720, 349478), (788, 319320), (887, 283680), (985, 255456), (1182, 212880), (1440, 174739), (1576, 159660), (1773, 141920), (1774, 141840), (1970, 127728), (2364, 106440), (2661, 94560), (2955, 85152), (3152, 79830), (3546, 70960), (3548, 70920), (3940, 63864), (4435, 56736), (4728, 53220), (5322, 47280), (5910, 42576), (6304, 39915), (7092, 35480), (7096, 35460), (7880, 31932), (7983, 31520), (8865, 28384), (8870, 28368), (9456, 26610), (10644, 23640), (11820, 21288), (13305, 18912), (14184, 17740), (14192, 17730), (15760, 15966)]