18550440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227}}^2$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 60555690

約数和(自身を除く): 42005250

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 227, 360, 454, 681, 908, 1135, 1362, 1816, 2043, 2270, 2724, 3405, 4086, 4540, 5448, 6810, 8172, 9080, 10215, 13620, 16344, 20430, 27240, 40860, 51529, 81720, 103058, 154587, 206116, 257645, 309174, 412232, 463761, 515290, 618348, 772935, 927522, 1030580, 1236696, 1545870, 1855044, 2061160, 2318805, 3091740, 3710088, 4637610, 6183480, 9275220, 18550440]

約数ペア:

[(1, 18550440), (2, 9275220), (3, 6183480), (4, 4637610), (5, 3710088), (6, 3091740), (8, 2318805), (9, 2061160), (10, 1855044), (12, 1545870), (15, 1236696), (18, 1030580), (20, 927522), (24, 772935), (30, 618348), (36, 515290), (40, 463761), (45, 412232), (60, 309174), (72, 257645), (90, 206116), (120, 154587), (180, 103058), (227, 81720), (360, 51529), (454, 40860), (681, 27240), (908, 20430), (1135, 16344), (1362, 13620), (1816, 10215), (2043, 9080), (2270, 8172), (2724, 6810), (3405, 5448), (4086, 4540)]