21638585280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{55931}}^1$

素因数の和:55995

約数の個数: 224

約数和(自身を含む): 76375369728

約数和(自身を除く): 54736784448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 372, 390, 403, 416, 465, 480, 496, 520, 620, 624, 744, 780, 806, 832, 930, 960, 992, 1040, 1209, 1240, 1248, 1488, 1560, 1612, 1860, 1984, 2015, 2080, 2418, 2480, 2496, 2976, 3120, 3224, 3720, 4030, 4160, 4836, 4960, 5952, 6045, 6240, 6448, 7440, 8060, 9672, 9920, 12090, 12480, 12896, 14880, 16120, 19344, 24180, 25792, 29760, 32240, 38688, 48360, 55931, 64480, 77376, 96720, 111862, 128960, 167793, 193440, 223724, 279655, 335586, 386880, 447448, 559310, 671172, 727103, 838965, 894896, 1118620, 1342344, 1454206, 1677930, 1733861, 1789792, 2181309, 2237240, 2684688, 2908412, 3355860, 3467722, 3579584, 3635515, 4362618, 4474480, 5201583, 5369376, 5816824, 6711720, 6935444, 7271030, 8669305, 8725236, 8948960, 10403166, 10738752, 10906545, 11633648, 13423440, 13870888, 14542060, 17338610, 17450472, 17897920, 20806332, 21813090, 22540193, 23267296, 26007915, 26846880, 27741776, 29084120, 34677220, 34900944, 41612664, 43626180, 45080386, 46534592, 52015830, 53693760, 55483552, 58168240, 67620579, 69354440, 69801888, 83225328, 87252360, 90160772, 104031660, 110967104, 112700965, 116336480, 135241158, 138708880, 139603776, 166450656, 174504720, 180321544, 208063320, 225401930, 232672960, 270482316, 277417760, 332901312, 338102895, 349009440, 360643088, 416126640, 450803860, 540964632, 554835520, 676205790, 698018880, 721286176, 832253280, 901607720, 1081929264, 1352411580, 1442572352, 1664506560, 1803215440, 2163858528, 2704823160, 3606430880, 4327717056, 5409646320, 7212861760, 10819292640, 21638585280]

約数ペア:

[(1, 21638585280), (2, 10819292640), (3, 7212861760), (4, 5409646320), (5, 4327717056), (6, 3606430880), (8, 2704823160), (10, 2163858528), (12, 1803215440), (13, 1664506560), (15, 1442572352), (16, 1352411580), (20, 1081929264), (24, 901607720), (26, 832253280), (30, 721286176), (31, 698018880), (32, 676205790), (39, 554835520), (40, 540964632), (48, 450803860), (52, 416126640), (60, 360643088), (62, 349009440), (64, 338102895), (65, 332901312), (78, 277417760), (80, 270482316), (93, 232672960), (96, 225401930), (104, 208063320), (120, 180321544), (124, 174504720), (130, 166450656), (155, 139603776), (156, 138708880), (160, 135241158), (186, 116336480), (192, 112700965), (195, 110967104), (208, 104031660), (240, 90160772), (248, 87252360), (260, 83225328), (310, 69801888), (312, 69354440), (320, 67620579), (372, 58168240), (390, 55483552), (403, 53693760), (416, 52015830), (465, 46534592), (480, 45080386), (496, 43626180), (520, 41612664), (620, 34900944), (624, 34677220), (744, 29084120), (780, 27741776), (806, 26846880), (832, 26007915), (930, 23267296), (960, 22540193), (992, 21813090), (1040, 20806332), (1209, 17897920), (1240, 17450472), (1248, 17338610), (1488, 14542060), (1560, 13870888), (1612, 13423440), (1860, 11633648), (1984, 10906545), (2015, 10738752), (2080, 10403166), (2418, 8948960), (2480, 8725236), (2496, 8669305), (2976, 7271030), (3120, 6935444), (3224, 6711720), (3720, 5816824), (4030, 5369376), (4160, 5201583), (4836, 4474480), (4960, 4362618), (5952, 3635515), (6045, 3579584), (6240, 3467722), (6448, 3355860), (7440, 2908412), (8060, 2684688), (9672, 2237240), (9920, 2181309), (12090, 1789792), (12480, 1733861), (12896, 1677930), (14880, 1454206), (16120, 1342344), (19344, 1118620), (24180, 894896), (25792, 838965), (29760, 727103), (32240, 671172), (38688, 559310), (48360, 447448), (55931, 386880), (64480, 335586), (77376, 279655), (96720, 223724), (111862, 193440), (128960, 167793)]