31124880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:469

約数の個数: 120

約数和(自身を含む): 105618240

約数和(自身を除く): 74493360

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, 139, 144, 180, 240, 278, 311, 360, 417, 556, 622, 695, 720, 834, 933, 1112, 1244, 1251, 1390, 1555, 1668, 1866, 2085, 2224, 2488, 2502, 2780, 2799, 3110, 3336, 3732, 4170, 4665, 4976, 5004, 5560, 5598, 6220, 6255, 6672, 7464, 8340, 9330, 10008, 11120, 11196, 12440, 12510, 13995, 14928, 16680, 18660, 20016, 22392, 24880, 25020, 27990, 33360, 37320, 43229, 44784, 50040, 55980, 74640, 86458, 100080, 111960, 129687, 172916, 216145, 223920, 259374, 345832, 389061, 432290, 518748, 648435, 691664, 778122, 864580, 1037496, 1296870, 1556244, 1729160, 1945305, 2074992, 2593740, 3112488, 3458320, 3890610, 5187480, 6224976, 7781220, 10374960, 15562440, 31124880]

約数ペア:

[(1, 31124880), (2, 15562440), (3, 10374960), (4, 7781220), (5, 6224976), (6, 5187480), (8, 3890610), (9, 3458320), (10, 3112488), (12, 2593740), (15, 2074992), (16, 1945305), (18, 1729160), (20, 1556244), (24, 1296870), (30, 1037496), (36, 864580), (40, 778122), (45, 691664), (48, 648435), (60, 518748), (72, 432290), (80, 389061), (90, 345832), (120, 259374), (139, 223920), (144, 216145), (180, 172916), (240, 129687), (278, 111960), (311, 100080), (360, 86458), (417, 74640), (556, 55980), (622, 50040), (695, 44784), (720, 43229), (834, 37320), (933, 33360), (1112, 27990), (1244, 25020), (1251, 24880), (1390, 22392), (1555, 20016), (1668, 18660), (1866, 16680), (2085, 14928), (2224, 13995), (2488, 12510), (2502, 12440), (2780, 11196), (2799, 11120), (3110, 10008), (3336, 9330), (3732, 8340), (4170, 7464), (4665, 6672), (4976, 6255), (5004, 6220), (5560, 5598)]