245895840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{170761}}^1$

素因数の和:170782

約数の個数: 72

約数和(自身を含む): 839124468

約数和(自身を除く): 593228628

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, 170761, 341522, 512283, 683044, 853805, 1024566, 1366088, 1536849, 1707610, 2049132, 2561415, 2732176, 3073698, 3415220, 4098264, 5122830, 5464352, 6147396, 6830440, 7684245, 8196528, 10245660, 12294792, 13660880, 15368490, 16393056, 20491320, 24589584, 27321760, 30736980, 40982640, 49179168, 61473960, 81965280, 122947920, 245895840]

約数ペア:

[(1, 245895840), (2, 122947920), (3, 81965280), (4, 61473960), (5, 49179168), (6, 40982640), (8, 30736980), (9, 27321760), (10, 24589584), (12, 20491320), (15, 16393056), (16, 15368490), (18, 13660880), (20, 12294792), (24, 10245660), (30, 8196528), (32, 7684245), (36, 6830440), (40, 6147396), (45, 5464352), (48, 5122830), (60, 4098264), (72, 3415220), (80, 3073698), (90, 2732176), (96, 2561415), (120, 2049132), (144, 1707610), (160, 1536849), (180, 1366088), (240, 1024566), (288, 853805), (360, 683044), (480, 512283), (720, 341522), (1440, 170761)]