77911960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 206184960

約数和(自身を除く): 128273000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 127, 140, 196, 245, 254, 280, 313, 392, 490, 508, 626, 635, 889, 980, 1016, 1252, 1270, 1565, 1778, 1960, 2191, 2504, 2540, 3130, 3556, 4382, 4445, 5080, 6223, 6260, 7112, 8764, 8890, 10955, 12446, 12520, 15337, 17528, 17780, 21910, 24892, 30674, 31115, 35560, 39751, 43820, 49784, 61348, 62230, 76685, 79502, 87640, 122696, 124460, 153370, 159004, 198755, 248920, 278257, 306740, 318008, 397510, 556514, 613480, 795020, 1113028, 1391285, 1590040, 1947799, 2226056, 2782570, 3895598, 5565140, 7791196, 9738995, 11130280, 15582392, 19477990, 38955980, 77911960]

約数ペア:

[(1, 77911960), (2, 38955980), (4, 19477990), (5, 15582392), (7, 11130280), (8, 9738995), (10, 7791196), (14, 5565140), (20, 3895598), (28, 2782570), (35, 2226056), (40, 1947799), (49, 1590040), (56, 1391285), (70, 1113028), (98, 795020), (127, 613480), (140, 556514), (196, 397510), (245, 318008), (254, 306740), (280, 278257), (313, 248920), (392, 198755), (490, 159004), (508, 153370), (626, 124460), (635, 122696), (889, 87640), (980, 79502), (1016, 76685), (1252, 62230), (1270, 61348), (1565, 49784), (1778, 43820), (1960, 39751), (2191, 35560), (2504, 31115), (2540, 30674), (3130, 24892), (3556, 21910), (4382, 17780), (4445, 17528), (5080, 15337), (6223, 12520), (6260, 12446), (7112, 10955), (8764, 8890)]