680410240

素因数分解:

$2^7\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3463}}^1$

素因数の和:3789

約数の個数: 64

約数和(自身を含む): 1632375360

約数和(自身を除く): 951965120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 307, 320, 614, 640, 1228, 1535, 2456, 3070, 3463, 4912, 6140, 6926, 9824, 12280, 13852, 17315, 19648, 24560, 27704, 34630, 39296, 49120, 55408, 69260, 98240, 110816, 138520, 196480, 221632, 277040, 443264, 554080, 1063141, 1108160, 2126282, 2216320, 4252564, 5315705, 8505128, 10631410, 17010256, 21262820, 34020512, 42525640, 68041024, 85051280, 136082048, 170102560, 340205120, 680410240]

約数ペア:

[(1, 680410240), (2, 340205120), (4, 170102560), (5, 136082048), (8, 85051280), (10, 68041024), (16, 42525640), (20, 34020512), (32, 21262820), (40, 17010256), (64, 10631410), (80, 8505128), (128, 5315705), (160, 4252564), (307, 2216320), (320, 2126282), (614, 1108160), (640, 1063141), (1228, 554080), (1535, 443264), (2456, 277040), (3070, 221632), (3463, 196480), (4912, 138520), (6140, 110816), (6926, 98240), (9824, 69260), (12280, 55408), (13852, 49120), (17315, 39296), (19648, 34630), (24560, 27704)]