77902720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17389}}^1$

素因数の和:17415

約数の個数: 64

約数和(自身を含む): 212853600

約数和(自身を除く): 134950880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17389, 34778, 69556, 86945, 121723, 139112, 173890, 243446, 278224, 347780, 486892, 556448, 608615, 695560, 973784, 1112896, 1217230, 1391120, 1947568, 2225792, 2434460, 2782240, 3895136, 4868920, 5564480, 7790272, 9737840, 11128960, 15580544, 19475680, 38951360, 77902720]

約数ペア:

[(1, 77902720), (2, 38951360), (4, 19475680), (5, 15580544), (7, 11128960), (8, 9737840), (10, 7790272), (14, 5564480), (16, 4868920), (20, 3895136), (28, 2782240), (32, 2434460), (35, 2225792), (40, 1947568), (56, 1391120), (64, 1217230), (70, 1112896), (80, 973784), (112, 695560), (128, 608615), (140, 556448), (160, 486892), (224, 347780), (280, 278224), (320, 243446), (448, 173890), (560, 139112), (640, 121723), (896, 86945), (1120, 69556), (2240, 34778), (4480, 17389)]