76863640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1231}}^1$

素因数の和:1472

約数の個数: 64

約数和(自身を含む): 198696960

約数和(自身を除く): 121833320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 892, 1115, 1231, 1561, 1784, 2230, 2462, 3122, 4460, 4924, 6155, 6244, 7805, 8617, 8920, 9848, 12310, 12488, 15610, 17234, 24620, 31220, 34468, 43085, 49240, 62440, 68936, 86170, 172340, 274513, 344680, 549026, 1098052, 1372565, 1921591, 2196104, 2745130, 3843182, 5490260, 7686364, 9607955, 10980520, 15372728, 19215910, 38431820, 76863640]

約数ペア:

[(1, 76863640), (2, 38431820), (4, 19215910), (5, 15372728), (7, 10980520), (8, 9607955), (10, 7686364), (14, 5490260), (20, 3843182), (28, 2745130), (35, 2196104), (40, 1921591), (56, 1372565), (70, 1098052), (140, 549026), (223, 344680), (280, 274513), (446, 172340), (892, 86170), (1115, 68936), (1231, 62440), (1561, 49240), (1784, 43085), (2230, 34468), (2462, 31220), (3122, 24620), (4460, 17234), (4924, 15610), (6155, 12488), (6244, 12310), (7805, 9848), (8617, 8920)]