77913640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{601}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 201116160

約数和(自身を除く): 123202520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 463, 601, 926, 1202, 1852, 2315, 2404, 3005, 3241, 3704, 4207, 4630, 4808, 6010, 6482, 8414, 9260, 12020, 12964, 16205, 16828, 18520, 21035, 24040, 25928, 32410, 33656, 42070, 64820, 84140, 129640, 168280, 278263, 556526, 1113052, 1391315, 1947841, 2226104, 2782630, 3895682, 5565260, 7791364, 9739205, 11130520, 15582728, 19478410, 38956820, 77913640]

約数ペア:

[(1, 77913640), (2, 38956820), (4, 19478410), (5, 15582728), (7, 11130520), (8, 9739205), (10, 7791364), (14, 5565260), (20, 3895682), (28, 2782630), (35, 2226104), (40, 1947841), (56, 1391315), (70, 1113052), (140, 556526), (280, 278263), (463, 168280), (601, 129640), (926, 84140), (1202, 64820), (1852, 42070), (2315, 33656), (2404, 32410), (3005, 25928), (3241, 24040), (3704, 21035), (4207, 18520), (4630, 16828), (4808, 16205), (6010, 12964), (6482, 12020), (8414, 9260)]