189781920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:444

約数の個数: 192

約数和(自身を含む): 670602240

約数和(自身を除く): 480820320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 197, 216, 223, 240, 270, 288, 360, 394, 432, 446, 480, 540, 591, 669, 720, 788, 864, 892, 985, 1080, 1115, 1182, 1338, 1440, 1576, 1773, 1784, 1970, 2007, 2160, 2230, 2364, 2676, 2955, 3152, 3345, 3546, 3568, 3940, 4014, 4320, 4460, 4728, 5319, 5352, 5910, 6021, 6304, 6690, 7092, 7136, 7880, 8028, 8865, 8920, 9456, 10035, 10638, 10704, 11820, 12042, 13380, 14184, 15760, 16056, 17730, 17840, 18912, 20070, 21276, 21408, 23640, 24084, 26595, 26760, 28368, 30105, 31520, 32112, 35460, 35680, 40140, 42552, 43931, 47280, 48168, 53190, 53520, 56736, 60210, 64224, 70920, 80280, 85104, 87862, 94560, 96336, 106380, 107040, 120420, 131793, 141840, 160560, 170208, 175724, 192672, 212760, 219655, 240840, 263586, 283680, 321120, 351448, 395379, 425520, 439310, 481680, 527172, 658965, 702896, 790758, 851040, 878620, 963360, 1054344, 1186137, 1317930, 1405792, 1581516, 1757240, 1976895, 2108688, 2372274, 2635860, 3163032, 3514480, 3953790, 4217376, 4744548, 5271720, 5930685, 6326064, 7028960, 7907580, 9489096, 10543440, 11861370, 12652128, 15815160, 18978192, 21086880, 23722740, 31630320, 37956384, 47445480, 63260640, 94890960, 189781920]

約数ペア:

[(1, 189781920), (2, 94890960), (3, 63260640), (4, 47445480), (5, 37956384), (6, 31630320), (8, 23722740), (9, 21086880), (10, 18978192), (12, 15815160), (15, 12652128), (16, 11861370), (18, 10543440), (20, 9489096), (24, 7907580), (27, 7028960), (30, 6326064), (32, 5930685), (36, 5271720), (40, 4744548), (45, 4217376), (48, 3953790), (54, 3514480), (60, 3163032), (72, 2635860), (80, 2372274), (90, 2108688), (96, 1976895), (108, 1757240), (120, 1581516), (135, 1405792), (144, 1317930), (160, 1186137), (180, 1054344), (197, 963360), (216, 878620), (223, 851040), (240, 790758), (270, 702896), (288, 658965), (360, 527172), (394, 481680), (432, 439310), (446, 425520), (480, 395379), (540, 351448), (591, 321120), (669, 283680), (720, 263586), (788, 240840), (864, 219655), (892, 212760), (985, 192672), (1080, 175724), (1115, 170208), (1182, 160560), (1338, 141840), (1440, 131793), (1576, 120420), (1773, 107040), (1784, 106380), (1970, 96336), (2007, 94560), (2160, 87862), (2230, 85104), (2364, 80280), (2676, 70920), (2955, 64224), (3152, 60210), (3345, 56736), (3546, 53520), (3568, 53190), (3940, 48168), (4014, 47280), (4320, 43931), (4460, 42552), (4728, 40140), (5319, 35680), (5352, 35460), (5910, 32112), (6021, 31520), (6304, 30105), (6690, 28368), (7092, 26760), (7136, 26595), (7880, 24084), (8028, 23640), (8865, 21408), (8920, 21276), (9456, 20070), (10035, 18912), (10638, 17840), (10704, 17730), (11820, 16056), (12042, 15760), (13380, 14184)]