67990720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 112

約数和(自身を含む): 187269120

約数和(自身を除く): 119278400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 140, 160, 224, 239, 254, 280, 320, 448, 478, 508, 560, 635, 889, 956, 1016, 1120, 1195, 1270, 1673, 1778, 1912, 2032, 2240, 2390, 2540, 3346, 3556, 3824, 4064, 4445, 4780, 5080, 6692, 7112, 7648, 8128, 8365, 8890, 9560, 10160, 13384, 14224, 15296, 16730, 17780, 19120, 20320, 26768, 28448, 30353, 33460, 35560, 38240, 40640, 53536, 56896, 60706, 66920, 71120, 76480, 107072, 121412, 133840, 142240, 151765, 212471, 242824, 267680, 284480, 303530, 424942, 485648, 535360, 607060, 849884, 971296, 1062355, 1214120, 1699768, 1942592, 2124710, 2428240, 3399536, 4249420, 4856480, 6799072, 8498840, 9712960, 13598144, 16997680, 33995360, 67990720]

約数ペア:

[(1, 67990720), (2, 33995360), (4, 16997680), (5, 13598144), (7, 9712960), (8, 8498840), (10, 6799072), (14, 4856480), (16, 4249420), (20, 3399536), (28, 2428240), (32, 2124710), (35, 1942592), (40, 1699768), (56, 1214120), (64, 1062355), (70, 971296), (80, 849884), (112, 607060), (127, 535360), (140, 485648), (160, 424942), (224, 303530), (239, 284480), (254, 267680), (280, 242824), (320, 212471), (448, 151765), (478, 142240), (508, 133840), (560, 121412), (635, 107072), (889, 76480), (956, 71120), (1016, 66920), (1120, 60706), (1195, 56896), (1270, 53536), (1673, 40640), (1778, 38240), (1912, 35560), (2032, 33460), (2240, 30353), (2390, 28448), (2540, 26768), (3346, 20320), (3556, 19120), (3824, 17780), (4064, 16730), (4445, 15296), (4780, 14224), (5080, 13384), (6692, 10160), (7112, 9560), (7648, 8890), (8128, 8365)]