64613220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153841}}^1$

素因数の和:153860

約数の個数: 48

約数和(自身を含む): 206763648

約数和(自身を除く): 142150428

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, 153841, 307682, 461523, 615364, 769205, 923046, 1076887, 1538410, 1846092, 2153774, 2307615, 3076820, 3230661, 4307548, 4615230, 5384435, 6461322, 9230460, 10768870, 12922644, 16153305, 21537740, 32306610, 64613220]

約数ペア:

[(1, 64613220), (2, 32306610), (3, 21537740), (4, 16153305), (5, 12922644), (6, 10768870), (7, 9230460), (10, 6461322), (12, 5384435), (14, 4615230), (15, 4307548), (20, 3230661), (21, 3076820), (28, 2307615), (30, 2153774), (35, 1846092), (42, 1538410), (60, 1076887), (70, 923046), (84, 769205), (105, 615364), (140, 461523), (210, 307682), (420, 153841)]