81672480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1383

約数の個数: 144

約数和(自身を含む): 285405120

約数和(自身を除く): 203732640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1319, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 2638, 3096, 3440, 3870, 3957, 4128, 5160, 5276, 6192, 6595, 6880, 7740, 7914, 10320, 10552, 11871, 12384, 13190, 15480, 15828, 19785, 20640, 21104, 23742, 26380, 30960, 31656, 39570, 42208, 47484, 52760, 56717, 59355, 61920, 63312, 79140, 94968, 105520, 113434, 118710, 126624, 158280, 170151, 189936, 211040, 226868, 237420, 283585, 316560, 340302, 379872, 453736, 474840, 510453, 567170, 633120, 680604, 850755, 907472, 949680, 1020906, 1134340, 1361208, 1701510, 1814944, 1899360, 2041812, 2268680, 2552265, 2722416, 3403020, 4083624, 4537360, 5104530, 5444832, 6806040, 8167248, 9074720, 10209060, 13612080, 16334496, 20418120, 27224160, 40836240, 81672480]

約数ペア:

[(1, 81672480), (2, 40836240), (3, 27224160), (4, 20418120), (5, 16334496), (6, 13612080), (8, 10209060), (9, 9074720), (10, 8167248), (12, 6806040), (15, 5444832), (16, 5104530), (18, 4537360), (20, 4083624), (24, 3403020), (30, 2722416), (32, 2552265), (36, 2268680), (40, 2041812), (43, 1899360), (45, 1814944), (48, 1701510), (60, 1361208), (72, 1134340), (80, 1020906), (86, 949680), (90, 907472), (96, 850755), (120, 680604), (129, 633120), (144, 567170), (160, 510453), (172, 474840), (180, 453736), (215, 379872), (240, 340302), (258, 316560), (288, 283585), (344, 237420), (360, 226868), (387, 211040), (430, 189936), (480, 170151), (516, 158280), (645, 126624), (688, 118710), (720, 113434), (774, 105520), (860, 94968), (1032, 79140), (1290, 63312), (1319, 61920), (1376, 59355), (1440, 56717), (1548, 52760), (1720, 47484), (1935, 42208), (2064, 39570), (2580, 31656), (2638, 30960), (3096, 26380), (3440, 23742), (3870, 21104), (3957, 20640), (4128, 19785), (5160, 15828), (5276, 15480), (6192, 13190), (6595, 12384), (6880, 11871), (7740, 10552), (7914, 10320)]