157230780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{374359}}^1$

素因数の和:374378

約数の個数: 48

約数和(自身を含む): 503139840

約数和(自身を除く): 345909060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 374359, 748718, 1123077, 1497436, 1871795, 2246154, 2620513, 3743590, 4492308, 5241026, 5615385, 7487180, 7861539, 10482052, 11230770, 13102565, 15723078, 22461540, 26205130, 31446156, 39307695, 52410260, 78615390, 157230780]

約数ペア:

[(1, 157230780), (2, 78615390), (3, 52410260), (4, 39307695), (5, 31446156), (6, 26205130), (7, 22461540), (10, 15723078), (12, 13102565), (14, 11230770), (15, 10482052), (20, 7861539), (21, 7487180), (28, 5615385), (30, 5241026), (35, 4492308), (42, 3743590), (60, 2620513), (70, 2246154), (84, 1871795), (105, 1497436), (140, 1123077), (210, 748718), (420, 374359)]