256846590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2851}}^1$

素因数の和:2895

約数の個数: 192

約数和(自身を含む): 896942592

約数和(自身を除く): 640096002

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 30, 33, 35, 39, 42, 45, 55, 63, 65, 66, 70, 77, 78, 90, 91, 99, 105, 110, 117, 126, 130, 143, 154, 165, 182, 195, 198, 210, 231, 234, 273, 286, 315, 330, 385, 390, 429, 455, 462, 495, 546, 585, 630, 693, 715, 770, 819, 858, 910, 990, 1001, 1155, 1170, 1287, 1365, 1386, 1430, 1638, 2002, 2145, 2310, 2574, 2730, 2851, 3003, 3465, 4095, 4290, 5005, 5702, 6006, 6435, 6930, 8190, 8553, 9009, 10010, 12870, 14255, 15015, 17106, 18018, 19957, 25659, 28510, 30030, 31361, 37063, 39914, 42765, 45045, 51318, 59871, 62722, 74126, 85530, 90090, 94083, 99785, 111189, 119742, 128295, 156805, 179613, 185315, 188166, 199570, 219527, 222378, 256590, 259441, 282249, 299355, 313610, 333567, 359226, 370630, 407693, 439054, 470415, 518882, 555945, 564498, 598710, 658581, 667134, 778323, 815386, 898065, 940830, 1097635, 1111890, 1223079, 1297205, 1317162, 1411245, 1556646, 1667835, 1796130, 1975743, 2038465, 2195270, 2334969, 2446158, 2594410, 2822490, 2853851, 3292905, 3335670, 3669237, 3891615, 3951486, 4076930, 4669938, 5707702, 6115395, 6585810, 7338474, 7783230, 8561553, 9878715, 11674845, 12230790, 14269255, 17123106, 18346185, 19757430, 23349690, 25684659, 28538510, 36692370, 42807765, 51369318, 85615530, 128423295, 256846590]

約数ペア:

[(1, 256846590), (2, 128423295), (3, 85615530), (5, 51369318), (6, 42807765), (7, 36692370), (9, 28538510), (10, 25684659), (11, 23349690), (13, 19757430), (14, 18346185), (15, 17123106), (18, 14269255), (21, 12230790), (22, 11674845), (26, 9878715), (30, 8561553), (33, 7783230), (35, 7338474), (39, 6585810), (42, 6115395), (45, 5707702), (55, 4669938), (63, 4076930), (65, 3951486), (66, 3891615), (70, 3669237), (77, 3335670), (78, 3292905), (90, 2853851), (91, 2822490), (99, 2594410), (105, 2446158), (110, 2334969), (117, 2195270), (126, 2038465), (130, 1975743), (143, 1796130), (154, 1667835), (165, 1556646), (182, 1411245), (195, 1317162), (198, 1297205), (210, 1223079), (231, 1111890), (234, 1097635), (273, 940830), (286, 898065), (315, 815386), (330, 778323), (385, 667134), (390, 658581), (429, 598710), (455, 564498), (462, 555945), (495, 518882), (546, 470415), (585, 439054), (630, 407693), (693, 370630), (715, 359226), (770, 333567), (819, 313610), (858, 299355), (910, 282249), (990, 259441), (1001, 256590), (1155, 222378), (1170, 219527), (1287, 199570), (1365, 188166), (1386, 185315), (1430, 179613), (1638, 156805), (2002, 128295), (2145, 119742), (2310, 111189), (2574, 99785), (2730, 94083), (2851, 90090), (3003, 85530), (3465, 74126), (4095, 62722), (4290, 59871), (5005, 51318), (5702, 45045), (6006, 42765), (6435, 39914), (6930, 37063), (8190, 31361), (8553, 30030), (9009, 28510), (10010, 25659), (12870, 19957), (14255, 18018), (15015, 17106)]