168554820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{401321}}^1$

素因数の和:401340

約数の個数: 48

約数和(自身を含む): 539376768

約数和(自身を除く): 370821948

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, 401321, 802642, 1203963, 1605284, 2006605, 2407926, 2809247, 4013210, 4815852, 5618494, 6019815, 8026420, 8427741, 11236988, 12039630, 14046235, 16855482, 24079260, 28092470, 33710964, 42138705, 56184940, 84277410, 168554820]

約数ペア:

[(1, 168554820), (2, 84277410), (3, 56184940), (4, 42138705), (5, 33710964), (6, 28092470), (7, 24079260), (10, 16855482), (12, 14046235), (14, 12039630), (15, 11236988), (20, 8427741), (21, 8026420), (28, 6019815), (30, 5618494), (35, 4815852), (42, 4013210), (60, 2809247), (70, 2407926), (84, 2006605), (105, 1605284), (140, 1203963), (210, 802642), (420, 401321)]