920721870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6917}}^1$

素因数の和:6979

約数の個数: 128

約数和(自身を含む): 2689718400

約数和(自身を除く): 1768996530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 29, 30, 34, 45, 51, 54, 58, 85, 87, 90, 102, 135, 145, 153, 170, 174, 255, 261, 270, 290, 306, 435, 459, 493, 510, 522, 765, 783, 870, 918, 986, 1305, 1479, 1530, 1566, 2295, 2465, 2610, 2958, 3915, 4437, 4590, 4930, 6917, 7395, 7830, 8874, 13311, 13834, 14790, 20751, 22185, 26622, 34585, 41502, 44370, 62253, 66555, 69170, 103755, 117589, 124506, 133110, 186759, 200593, 207510, 235178, 311265, 352767, 373518, 401186, 587945, 601779, 622530, 705534, 933795, 1002965, 1058301, 1175890, 1203558, 1763835, 1805337, 1867590, 2005930, 2116602, 3008895, 3174903, 3410081, 3527670, 3610674, 5291505, 5416011, 6017790, 6349806, 6820162, 9026685, 10230243, 10583010, 10832022, 15874515, 17050405, 18053370, 20460486, 27080055, 30690729, 31749030, 34100810, 51151215, 54160110, 61381458, 92072187, 102302430, 153453645, 184144374, 306907290, 460360935, 920721870]

約数ペア:

[(1, 920721870), (2, 460360935), (3, 306907290), (5, 184144374), (6, 153453645), (9, 102302430), (10, 92072187), (15, 61381458), (17, 54160110), (18, 51151215), (27, 34100810), (29, 31749030), (30, 30690729), (34, 27080055), (45, 20460486), (51, 18053370), (54, 17050405), (58, 15874515), (85, 10832022), (87, 10583010), (90, 10230243), (102, 9026685), (135, 6820162), (145, 6349806), (153, 6017790), (170, 5416011), (174, 5291505), (255, 3610674), (261, 3527670), (270, 3410081), (290, 3174903), (306, 3008895), (435, 2116602), (459, 2005930), (493, 1867590), (510, 1805337), (522, 1763835), (765, 1203558), (783, 1175890), (870, 1058301), (918, 1002965), (986, 933795), (1305, 705534), (1479, 622530), (1530, 601779), (1566, 587945), (2295, 401186), (2465, 373518), (2610, 352767), (2958, 311265), (3915, 235178), (4437, 207510), (4590, 200593), (4930, 186759), (6917, 133110), (7395, 124506), (7830, 117589), (8874, 103755), (13311, 69170), (13834, 66555), (14790, 62253), (20751, 44370), (22185, 41502), (26622, 34585)]