198458640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:822

約数の個数: 160

約数和(自身を含む): 689539200

約数和(自身を除く): 491080560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 139, 144, 180, 216, 240, 270, 278, 360, 417, 432, 540, 556, 661, 695, 720, 834, 1080, 1112, 1251, 1322, 1390, 1668, 1983, 2085, 2160, 2224, 2502, 2644, 2780, 3305, 3336, 3753, 3966, 4170, 5004, 5288, 5560, 5949, 6255, 6610, 6672, 7506, 7932, 8340, 9915, 10008, 10576, 11120, 11898, 12510, 13220, 15012, 15864, 16680, 17847, 18765, 19830, 20016, 23796, 25020, 26440, 29745, 30024, 31728, 33360, 35694, 37530, 39660, 47592, 50040, 52880, 59490, 60048, 71388, 75060, 79320, 89235, 91879, 95184, 100080, 118980, 142776, 150120, 158640, 178470, 183758, 237960, 275637, 285552, 300240, 356940, 367516, 459395, 475920, 551274, 713880, 735032, 826911, 918790, 1102548, 1378185, 1427760, 1470064, 1653822, 1837580, 2205096, 2480733, 2756370, 3307644, 3675160, 4134555, 4410192, 4961466, 5512740, 6615288, 7350320, 8269110, 9922932, 11025480, 12403665, 13230576, 16538220, 19845864, 22050960, 24807330, 33076440, 39691728, 49614660, 66152880, 99229320, 198458640]

約数ペア:

[(1, 198458640), (2, 99229320), (3, 66152880), (4, 49614660), (5, 39691728), (6, 33076440), (8, 24807330), (9, 22050960), (10, 19845864), (12, 16538220), (15, 13230576), (16, 12403665), (18, 11025480), (20, 9922932), (24, 8269110), (27, 7350320), (30, 6615288), (36, 5512740), (40, 4961466), (45, 4410192), (48, 4134555), (54, 3675160), (60, 3307644), (72, 2756370), (80, 2480733), (90, 2205096), (108, 1837580), (120, 1653822), (135, 1470064), (139, 1427760), (144, 1378185), (180, 1102548), (216, 918790), (240, 826911), (270, 735032), (278, 713880), (360, 551274), (417, 475920), (432, 459395), (540, 367516), (556, 356940), (661, 300240), (695, 285552), (720, 275637), (834, 237960), (1080, 183758), (1112, 178470), (1251, 158640), (1322, 150120), (1390, 142776), (1668, 118980), (1983, 100080), (2085, 95184), (2160, 91879), (2224, 89235), (2502, 79320), (2644, 75060), (2780, 71388), (3305, 60048), (3336, 59490), (3753, 52880), (3966, 50040), (4170, 47592), (5004, 39660), (5288, 37530), (5560, 35694), (5949, 33360), (6255, 31728), (6610, 30024), (6672, 29745), (7506, 26440), (7932, 25020), (8340, 23796), (9915, 20016), (10008, 19830), (10576, 18765), (11120, 17847), (11898, 16680), (12510, 15864), (13220, 15012)]