8240820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{2803}}^1$

素因数の和:2829

約数の個数: 72

約数和(自身を含む): 26851104

約数和(自身を除く): 18610284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2803, 2940, 5606, 8409, 11212, 14015, 16818, 19621, 28030, 33636, 39242, 42045, 56060, 58863, 78484, 84090, 98105, 117726, 137347, 168180, 196210, 235452, 274694, 294315, 392420, 412041, 549388, 588630, 686735, 824082, 1177260, 1373470, 1648164, 2060205, 2746940, 4120410, 8240820]

約数ペア:

[(1, 8240820), (2, 4120410), (3, 2746940), (4, 2060205), (5, 1648164), (6, 1373470), (7, 1177260), (10, 824082), (12, 686735), (14, 588630), (15, 549388), (20, 412041), (21, 392420), (28, 294315), (30, 274694), (35, 235452), (42, 196210), (49, 168180), (60, 137347), (70, 117726), (84, 98105), (98, 84090), (105, 78484), (140, 58863), (147, 56060), (196, 42045), (210, 39242), (245, 33636), (294, 28030), (420, 19621), (490, 16818), (588, 14015), (735, 11212), (980, 8409), (1470, 5606), (2803, 2940)]