686230880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{4463}}^1$

素因数の和:4540

約数の個数: 72

約数和(自身を含む): 1675580256

約数和(自身を除く): 989349376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1922, 2480, 3844, 4463, 4805, 4960, 7688, 8926, 9610, 15376, 17852, 19220, 22315, 30752, 35704, 38440, 44630, 71408, 76880, 89260, 138353, 142816, 153760, 178520, 276706, 357040, 553412, 691765, 714080, 1106824, 1383530, 2213648, 2767060, 4288943, 4427296, 5534120, 8577886, 11068240, 17155772, 21444715, 22136480, 34311544, 42889430, 68623088, 85778860, 137246176, 171557720, 343115440, 686230880]

約数ペア:

[(1, 686230880), (2, 343115440), (4, 171557720), (5, 137246176), (8, 85778860), (10, 68623088), (16, 42889430), (20, 34311544), (31, 22136480), (32, 21444715), (40, 17155772), (62, 11068240), (80, 8577886), (124, 5534120), (155, 4427296), (160, 4288943), (248, 2767060), (310, 2213648), (496, 1383530), (620, 1106824), (961, 714080), (992, 691765), (1240, 553412), (1922, 357040), (2480, 276706), (3844, 178520), (4463, 153760), (4805, 142816), (4960, 138353), (7688, 89260), (8926, 76880), (9610, 71408), (15376, 44630), (17852, 38440), (19220, 35704), (22315, 30752)]