30710820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73121}}^1$

素因数の和:73140

約数の個数: 48

約数和(自身を含む): 98275968

約数和(自身を除く): 67565148

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, 73121, 146242, 219363, 292484, 365605, 438726, 511847, 731210, 877452, 1023694, 1096815, 1462420, 1535541, 2047388, 2193630, 2559235, 3071082, 4387260, 5118470, 6142164, 7677705, 10236940, 15355410, 30710820]

約数ペア:

[(1, 30710820), (2, 15355410), (3, 10236940), (4, 7677705), (5, 6142164), (6, 5118470), (7, 4387260), (10, 3071082), (12, 2559235), (14, 2193630), (15, 2047388), (20, 1535541), (21, 1462420), (28, 1096815), (30, 1023694), (35, 877452), (42, 731210), (60, 511847), (70, 438726), (84, 365605), (105, 292484), (140, 219363), (210, 146242), (420, 73121)]