31455900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{4993}}^1$

素因数の和:5020

約数の個数: 108

約数和(自身を含む): 112704592

約数和(自身を除く): 81248692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 4993, 6300, 9986, 14979, 19972, 24965, 29958, 34951, 44937, 49930, 59916, 69902, 74895, 89874, 99860, 104853, 124825, 139804, 149790, 174755, 179748, 209706, 224685, 249650, 299580, 314559, 349510, 374475, 419412, 449370, 499300, 524265, 629118, 699020, 748950, 873775, 898740, 1048530, 1123425, 1258236, 1497900, 1572795, 1747550, 2097060, 2246850, 2621325, 3145590, 3495100, 4493700, 5242650, 6291180, 7863975, 10485300, 15727950, 31455900]

約数ペア:

[(1, 31455900), (2, 15727950), (3, 10485300), (4, 7863975), (5, 6291180), (6, 5242650), (7, 4493700), (9, 3495100), (10, 3145590), (12, 2621325), (14, 2246850), (15, 2097060), (18, 1747550), (20, 1572795), (21, 1497900), (25, 1258236), (28, 1123425), (30, 1048530), (35, 898740), (36, 873775), (42, 748950), (45, 699020), (50, 629118), (60, 524265), (63, 499300), (70, 449370), (75, 419412), (84, 374475), (90, 349510), (100, 314559), (105, 299580), (126, 249650), (140, 224685), (150, 209706), (175, 179748), (180, 174755), (210, 149790), (225, 139804), (252, 124825), (300, 104853), (315, 99860), (350, 89874), (420, 74895), (450, 69902), (525, 59916), (630, 49930), (700, 44937), (900, 34951), (1050, 29958), (1260, 24965), (1575, 19972), (2100, 14979), (3150, 9986), (4993, 6300)]