85921740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 282810528

約数和(自身を除く): 196888788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 612, 645, 653, 731, 765, 774, 860, 1020, 1290, 1306, 1462, 1530, 1548, 1935, 1959, 2193, 2580, 2612, 2924, 3060, 3265, 3655, 3870, 3918, 4386, 5877, 6530, 6579, 7310, 7740, 7836, 8772, 9795, 10965, 11101, 11754, 13060, 13158, 14620, 19590, 21930, 22202, 23508, 26316, 28079, 29385, 32895, 33303, 39180, 43860, 44404, 55505, 56158, 58770, 65790, 66606, 84237, 99909, 111010, 112316, 117540, 131580, 133212, 140395, 166515, 168474, 199818, 222020, 252711, 280790, 333030, 336948, 399636, 421185, 477343, 499545, 505422, 561580, 666060, 842370, 954686, 999090, 1010844, 1263555, 1432029, 1684740, 1909372, 1998180, 2386715, 2527110, 2864058, 4296087, 4773430, 5054220, 5728116, 7160145, 8592174, 9546860, 14320290, 17184348, 21480435, 28640580, 42960870, 85921740]

約数ペア:

[(1, 85921740), (2, 42960870), (3, 28640580), (4, 21480435), (5, 17184348), (6, 14320290), (9, 9546860), (10, 8592174), (12, 7160145), (15, 5728116), (17, 5054220), (18, 4773430), (20, 4296087), (30, 2864058), (34, 2527110), (36, 2386715), (43, 1998180), (45, 1909372), (51, 1684740), (60, 1432029), (68, 1263555), (85, 1010844), (86, 999090), (90, 954686), (102, 842370), (129, 666060), (153, 561580), (170, 505422), (172, 499545), (180, 477343), (204, 421185), (215, 399636), (255, 336948), (258, 333030), (306, 280790), (340, 252711), (387, 222020), (430, 199818), (510, 168474), (516, 166515), (612, 140395), (645, 133212), (653, 131580), (731, 117540), (765, 112316), (774, 111010), (860, 99909), (1020, 84237), (1290, 66606), (1306, 65790), (1462, 58770), (1530, 56158), (1548, 55505), (1935, 44404), (1959, 43860), (2193, 39180), (2580, 33303), (2612, 32895), (2924, 29385), (3060, 28079), (3265, 26316), (3655, 23508), (3870, 22202), (3918, 21930), (4386, 19590), (5877, 14620), (6530, 13158), (6579, 13060), (7310, 11754), (7740, 11101), (7836, 10965), (8772, 9795)]