66863440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 186128712

約数和(自身を除く): 119265272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 461, 490, 518, 560, 592, 740, 784, 922, 980, 1036, 1295, 1480, 1813, 1844, 1960, 2072, 2305, 2590, 2960, 3227, 3626, 3688, 3920, 4144, 4610, 5180, 6454, 7252, 7376, 9065, 9220, 10360, 12908, 14504, 16135, 17057, 18130, 18440, 20720, 22589, 25816, 29008, 32270, 34114, 36260, 36880, 45178, 51632, 64540, 68228, 72520, 85285, 90356, 112945, 119399, 129080, 136456, 145040, 170570, 180712, 225890, 238798, 258160, 272912, 341140, 361424, 451780, 477596, 596995, 682280, 835793, 903560, 955192, 1193990, 1364560, 1671586, 1807120, 1910384, 2387980, 3343172, 4178965, 4775960, 6686344, 8357930, 9551920, 13372688, 16715860, 33431720, 66863440]

約数ペア:

[(1, 66863440), (2, 33431720), (4, 16715860), (5, 13372688), (7, 9551920), (8, 8357930), (10, 6686344), (14, 4775960), (16, 4178965), (20, 3343172), (28, 2387980), (35, 1910384), (37, 1807120), (40, 1671586), (49, 1364560), (56, 1193990), (70, 955192), (74, 903560), (80, 835793), (98, 682280), (112, 596995), (140, 477596), (148, 451780), (185, 361424), (196, 341140), (245, 272912), (259, 258160), (280, 238798), (296, 225890), (370, 180712), (392, 170570), (461, 145040), (490, 136456), (518, 129080), (560, 119399), (592, 112945), (740, 90356), (784, 85285), (922, 72520), (980, 68228), (1036, 64540), (1295, 51632), (1480, 45178), (1813, 36880), (1844, 36260), (1960, 34114), (2072, 32270), (2305, 29008), (2590, 25816), (2960, 22589), (3227, 20720), (3626, 18440), (3688, 18130), (3920, 17057), (4144, 16135), (4610, 14504), (5180, 12908), (6454, 10360), (7252, 9220), (7376, 9065)]