64868940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 221261040

約数和(自身を除く): 156392100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 43, 45, 51, 58, 60, 68, 85, 86, 87, 90, 102, 116, 129, 145, 153, 170, 172, 174, 180, 204, 215, 255, 258, 261, 289, 290, 306, 340, 348, 387, 430, 435, 493, 510, 516, 522, 578, 580, 612, 645, 731, 765, 774, 860, 867, 870, 986, 1020, 1044, 1156, 1247, 1290, 1305, 1445, 1462, 1479, 1530, 1548, 1734, 1740, 1935, 1972, 2193, 2465, 2494, 2580, 2601, 2610, 2890, 2924, 2958, 3060, 3468, 3655, 3741, 3870, 4335, 4386, 4437, 4930, 4988, 5202, 5220, 5780, 5916, 6235, 6579, 7310, 7395, 7482, 7740, 8381, 8670, 8772, 8874, 9860, 10404, 10965, 11223, 12427, 12470, 13005, 13158, 14620, 14790, 14964, 16762, 17340, 17748, 18705, 21199, 21930, 22185, 22446, 24854, 24940, 25143, 26010, 26316, 29580, 32895, 33524, 37281, 37410, 41905, 42398, 43860, 44370, 44892, 49708, 50286, 52020, 56115, 62135, 63597, 65790, 74562, 74820, 75429, 83810, 84796, 88740, 100572, 105995, 111843, 112230, 124270, 125715, 127194, 131580, 149124, 150858, 167620, 186405, 190791, 211990, 223686, 224460, 248540, 251430, 254388, 301716, 317985, 360383, 372810, 377145, 381582, 423980, 447372, 502860, 559215, 635970, 720766, 745620, 754290, 763164, 953955, 1081149, 1118430, 1271940, 1441532, 1508580, 1801915, 1907910, 2162298, 2236860, 3243447, 3603830, 3815820, 4324596, 5405745, 6486894, 7207660, 10811490, 12973788, 16217235, 21622980, 32434470, 64868940]

約数ペア:

[(1, 64868940), (2, 32434470), (3, 21622980), (4, 16217235), (5, 12973788), (6, 10811490), (9, 7207660), (10, 6486894), (12, 5405745), (15, 4324596), (17, 3815820), (18, 3603830), (20, 3243447), (29, 2236860), (30, 2162298), (34, 1907910), (36, 1801915), (43, 1508580), (45, 1441532), (51, 1271940), (58, 1118430), (60, 1081149), (68, 953955), (85, 763164), (86, 754290), (87, 745620), (90, 720766), (102, 635970), (116, 559215), (129, 502860), (145, 447372), (153, 423980), (170, 381582), (172, 377145), (174, 372810), (180, 360383), (204, 317985), (215, 301716), (255, 254388), (258, 251430), (261, 248540), (289, 224460), (290, 223686), (306, 211990), (340, 190791), (348, 186405), (387, 167620), (430, 150858), (435, 149124), (493, 131580), (510, 127194), (516, 125715), (522, 124270), (578, 112230), (580, 111843), (612, 105995), (645, 100572), (731, 88740), (765, 84796), (774, 83810), (860, 75429), (867, 74820), (870, 74562), (986, 65790), (1020, 63597), (1044, 62135), (1156, 56115), (1247, 52020), (1290, 50286), (1305, 49708), (1445, 44892), (1462, 44370), (1479, 43860), (1530, 42398), (1548, 41905), (1734, 37410), (1740, 37281), (1935, 33524), (1972, 32895), (2193, 29580), (2465, 26316), (2494, 26010), (2580, 25143), (2601, 24940), (2610, 24854), (2890, 22446), (2924, 22185), (2958, 21930), (3060, 21199), (3468, 18705), (3655, 17748), (3741, 17340), (3870, 16762), (4335, 14964), (4386, 14790), (4437, 14620), (4930, 13158), (4988, 13005), (5202, 12470), (5220, 12427), (5780, 11223), (5916, 10965), (6235, 10404), (6579, 9860), (7310, 8874), (7395, 8772), (7482, 8670), (7740, 8381)]