64981350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^3\times {\mathrm{421}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 204079200

約数和(自身を除く): 139097850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 49, 50, 63, 70, 75, 90, 98, 105, 126, 147, 150, 175, 210, 225, 245, 294, 315, 343, 350, 421, 441, 450, 490, 525, 630, 686, 735, 842, 882, 1029, 1050, 1225, 1263, 1470, 1575, 1715, 2058, 2105, 2205, 2450, 2526, 2947, 3087, 3150, 3430, 3675, 3789, 4210, 4410, 5145, 5894, 6174, 6315, 7350, 7578, 8575, 8841, 10290, 10525, 11025, 12630, 14735, 15435, 17150, 17682, 18945, 20629, 21050, 22050, 25725, 26523, 29470, 30870, 31575, 37890, 41258, 44205, 51450, 53046, 61887, 63150, 73675, 77175, 88410, 94725, 103145, 123774, 132615, 144403, 147350, 154350, 185661, 189450, 206290, 221025, 265230, 288806, 309435, 371322, 433209, 442050, 515725, 618870, 663075, 722015, 866418, 928305, 1031450, 1299627, 1326150, 1444030, 1547175, 1856610, 2166045, 2599254, 3094350, 3610075, 4332090, 4641525, 6498135, 7220150, 9283050, 10830225, 12996270, 21660450, 32490675, 64981350]

約数ペア:

[(1, 64981350), (2, 32490675), (3, 21660450), (5, 12996270), (6, 10830225), (7, 9283050), (9, 7220150), (10, 6498135), (14, 4641525), (15, 4332090), (18, 3610075), (21, 3094350), (25, 2599254), (30, 2166045), (35, 1856610), (42, 1547175), (45, 1444030), (49, 1326150), (50, 1299627), (63, 1031450), (70, 928305), (75, 866418), (90, 722015), (98, 663075), (105, 618870), (126, 515725), (147, 442050), (150, 433209), (175, 371322), (210, 309435), (225, 288806), (245, 265230), (294, 221025), (315, 206290), (343, 189450), (350, 185661), (421, 154350), (441, 147350), (450, 144403), (490, 132615), (525, 123774), (630, 103145), (686, 94725), (735, 88410), (842, 77175), (882, 73675), (1029, 63150), (1050, 61887), (1225, 53046), (1263, 51450), (1470, 44205), (1575, 41258), (1715, 37890), (2058, 31575), (2105, 30870), (2205, 29470), (2450, 26523), (2526, 25725), (2947, 22050), (3087, 21050), (3150, 20629), (3430, 18945), (3675, 17682), (3789, 17150), (4210, 15435), (4410, 14735), (5145, 12630), (5894, 11025), (6174, 10525), (6315, 10290), (7350, 8841), (7578, 8575)]