66645880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:981

約数の個数: 96

約数和(自身を含む): 179344800

約数和(自身を除く): 112698920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 740, 919, 980, 1036, 1295, 1480, 1813, 1838, 1960, 2072, 2590, 3626, 3676, 4595, 5180, 6433, 7252, 7352, 9065, 9190, 10360, 12866, 14504, 18130, 18380, 25732, 32165, 34003, 36260, 36760, 45031, 51464, 64330, 68006, 72520, 90062, 128660, 136012, 170015, 180124, 225155, 238021, 257320, 272024, 340030, 360248, 450310, 476042, 680060, 900620, 952084, 1190105, 1360120, 1666147, 1801240, 1904168, 2380210, 3332294, 4760420, 6664588, 8330735, 9520840, 13329176, 16661470, 33322940, 66645880]

約数ペア:

[(1, 66645880), (2, 33322940), (4, 16661470), (5, 13329176), (7, 9520840), (8, 8330735), (10, 6664588), (14, 4760420), (20, 3332294), (28, 2380210), (35, 1904168), (37, 1801240), (40, 1666147), (49, 1360120), (56, 1190105), (70, 952084), (74, 900620), (98, 680060), (140, 476042), (148, 450310), (185, 360248), (196, 340030), (245, 272024), (259, 257320), (280, 238021), (296, 225155), (370, 180124), (392, 170015), (490, 136012), (518, 128660), (740, 90062), (919, 72520), (980, 68006), (1036, 64330), (1295, 51464), (1480, 45031), (1813, 36760), (1838, 36260), (1960, 34003), (2072, 32165), (2590, 25732), (3626, 18380), (3676, 18130), (4595, 14504), (5180, 12866), (6433, 10360), (7252, 9190), (7352, 9065)]