77684320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:660

約数の個数: 96

約数和(自身を含む): 211680000

約数和(自身を除く): 133995680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 139, 140, 160, 224, 278, 280, 499, 556, 560, 695, 973, 998, 1112, 1120, 1390, 1946, 1996, 2224, 2495, 2780, 3493, 3892, 3992, 4448, 4865, 4990, 5560, 6986, 7784, 7984, 9730, 9980, 11120, 13972, 15568, 15968, 17465, 19460, 19960, 22240, 27944, 31136, 34930, 38920, 39920, 55888, 69361, 69860, 77840, 79840, 111776, 138722, 139720, 155680, 277444, 279440, 346805, 485527, 554888, 558880, 693610, 971054, 1109776, 1387220, 1942108, 2219552, 2427635, 2774440, 3884216, 4855270, 5548880, 7768432, 9710540, 11097760, 15536864, 19421080, 38842160, 77684320]

約数ペア:

[(1, 77684320), (2, 38842160), (4, 19421080), (5, 15536864), (7, 11097760), (8, 9710540), (10, 7768432), (14, 5548880), (16, 4855270), (20, 3884216), (28, 2774440), (32, 2427635), (35, 2219552), (40, 1942108), (56, 1387220), (70, 1109776), (80, 971054), (112, 693610), (139, 558880), (140, 554888), (160, 485527), (224, 346805), (278, 279440), (280, 277444), (499, 155680), (556, 139720), (560, 138722), (695, 111776), (973, 79840), (998, 77840), (1112, 69860), (1120, 69361), (1390, 55888), (1946, 39920), (1996, 38920), (2224, 34930), (2495, 31136), (2780, 27944), (3493, 22240), (3892, 19960), (3992, 19460), (4448, 17465), (4865, 15968), (4990, 15568), (5560, 13972), (6986, 11120), (7784, 9980), (7984, 9730)]