28726560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19949}}^1$

素因数の和:19970

約数の個数: 72

約数和(自身を含む): 98034300

約数和(自身を除く): 69307740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 19949, 39898, 59847, 79796, 99745, 119694, 159592, 179541, 199490, 239388, 299235, 319184, 359082, 398980, 478776, 598470, 638368, 718164, 797960, 897705, 957552, 1196940, 1436328, 1595920, 1795410, 1915104, 2393880, 2872656, 3191840, 3590820, 4787760, 5745312, 7181640, 9575520, 14363280, 28726560]

約数ペア:

[(1, 28726560), (2, 14363280), (3, 9575520), (4, 7181640), (5, 5745312), (6, 4787760), (8, 3590820), (9, 3191840), (10, 2872656), (12, 2393880), (15, 1915104), (16, 1795410), (18, 1595920), (20, 1436328), (24, 1196940), (30, 957552), (32, 897705), (36, 797960), (40, 718164), (45, 638368), (48, 598470), (60, 478776), (72, 398980), (80, 359082), (90, 319184), (96, 299235), (120, 239388), (144, 199490), (160, 179541), (180, 159592), (240, 119694), (288, 99745), (360, 79796), (480, 59847), (720, 39898), (1440, 19949)]