217620720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{739}}^1$

素因数の和:1167

約数の個数: 120

約数和(自身を含む): 733621200

約数和(自身を除く): 516000480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 409, 720, 739, 818, 1227, 1478, 1636, 2045, 2217, 2454, 2956, 3272, 3681, 3695, 4090, 4434, 4908, 5912, 6135, 6544, 6651, 7362, 7390, 8180, 8868, 9816, 11085, 11824, 12270, 13302, 14724, 14780, 16360, 17736, 18405, 19632, 22170, 24540, 26604, 29448, 29560, 32720, 33255, 35472, 36810, 44340, 49080, 53208, 58896, 59120, 66510, 73620, 88680, 98160, 106416, 133020, 147240, 177360, 266040, 294480, 302251, 532080, 604502, 906753, 1209004, 1511255, 1813506, 2418008, 2720259, 3022510, 3627012, 4533765, 4836016, 5440518, 6045020, 7254024, 9067530, 10881036, 12090040, 13601295, 14508048, 18135060, 21762072, 24180080, 27202590, 36270120, 43524144, 54405180, 72540240, 108810360, 217620720]

約数ペア:

[(1, 217620720), (2, 108810360), (3, 72540240), (4, 54405180), (5, 43524144), (6, 36270120), (8, 27202590), (9, 24180080), (10, 21762072), (12, 18135060), (15, 14508048), (16, 13601295), (18, 12090040), (20, 10881036), (24, 9067530), (30, 7254024), (36, 6045020), (40, 5440518), (45, 4836016), (48, 4533765), (60, 3627012), (72, 3022510), (80, 2720259), (90, 2418008), (120, 1813506), (144, 1511255), (180, 1209004), (240, 906753), (360, 604502), (409, 532080), (720, 302251), (739, 294480), (818, 266040), (1227, 177360), (1478, 147240), (1636, 133020), (2045, 106416), (2217, 98160), (2454, 88680), (2956, 73620), (3272, 66510), (3681, 59120), (3695, 58896), (4090, 53208), (4434, 49080), (4908, 44340), (5912, 36810), (6135, 35472), (6544, 33255), (6651, 32720), (7362, 29560), (7390, 29448), (8180, 26604), (8868, 24540), (9816, 22170), (11085, 19632), (11824, 18405), (12270, 17736), (13302, 16360), (14724, 14780)]