91402640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{3331}}^1$

素因数の和:3365

約数の個数: 80

約数和(自身を含む): 247900800

約数和(自身を除く): 156498160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3331, 3430, 3920, 5488, 6662, 6860, 13324, 13720, 16655, 23317, 26648, 27440, 33310, 46634, 53296, 66620, 93268, 116585, 133240, 163219, 186536, 233170, 266480, 326438, 373072, 466340, 652876, 816095, 932680, 1142533, 1305752, 1632190, 1865360, 2285066, 2611504, 3264380, 4570132, 5712665, 6528760, 9140264, 11425330, 13057520, 18280528, 22850660, 45701320, 91402640]

約数ペア:

[(1, 91402640), (2, 45701320), (4, 22850660), (5, 18280528), (7, 13057520), (8, 11425330), (10, 9140264), (14, 6528760), (16, 5712665), (20, 4570132), (28, 3264380), (35, 2611504), (40, 2285066), (49, 1865360), (56, 1632190), (70, 1305752), (80, 1142533), (98, 932680), (112, 816095), (140, 652876), (196, 466340), (245, 373072), (280, 326438), (343, 266480), (392, 233170), (490, 186536), (560, 163219), (686, 133240), (784, 116585), (980, 93268), (1372, 66620), (1715, 53296), (1960, 46634), (2744, 33310), (3331, 27440), (3430, 26648), (3920, 23317), (5488, 16655), (6662, 13720), (6860, 13324)]