21158720640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{5347}}^1$

素因数の和:5604

約数の個数: 256

約数和(自身を含む): 75278448000

約数和(自身を除く): 54119727360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 229, 240, 270, 288, 320, 360, 384, 432, 458, 480, 540, 576, 640, 687, 720, 864, 916, 960, 1080, 1145, 1152, 1374, 1440, 1728, 1832, 1920, 2061, 2160, 2290, 2748, 2880, 3435, 3456, 3664, 4122, 4320, 4580, 5347, 5496, 5760, 6183, 6870, 7328, 8244, 8640, 9160, 10305, 10694, 10992, 12366, 13740, 14656, 16041, 16488, 17280, 18320, 20610, 21388, 21984, 24732, 26735, 27480, 29312, 30915, 32082, 32976, 36640, 41220, 42776, 43968, 48123, 49464, 53470, 54960, 61830, 64164, 65952, 73280, 80205, 82440, 85552, 87936, 96246, 98928, 106940, 109920, 123660, 128328, 131904, 144369, 146560, 160410, 164880, 171104, 192492, 197856, 213880, 219840, 240615, 247320, 256656, 263808, 288738, 320820, 329760, 342208, 384984, 395712, 427760, 439680, 481230, 494640, 513312, 577476, 641640, 659520, 684416, 721845, 769968, 791424, 855520, 962460, 989280, 1026624, 1154952, 1224463, 1283280, 1319040, 1443690, 1539936, 1711040, 1924920, 1978560, 2053248, 2309904, 2448926, 2566560, 2887380, 3079872, 3422080, 3673389, 3849840, 3957120, 4619808, 4897852, 5133120, 5774760, 6122315, 6159744, 7346778, 7699680, 9239616, 9795704, 10266240, 11020167, 11549520, 12244630, 14693556, 15399360, 18366945, 18479232, 19591408, 22040334, 23099040, 24489260, 29387112, 30798720, 33060501, 36733890, 39182816, 44080668, 46198080, 48978520, 55100835, 58774224, 66121002, 73467780, 78365632, 88161336, 92396160, 97957040, 110201670, 117548448, 132242004, 146935560, 156731264, 165302505, 176322672, 195914080, 220403340, 235096896, 264484008, 293871120, 330605010, 352645344, 391828160, 440806680, 470193792, 528968016, 587742240, 661210020, 705290688, 783656320, 881613360, 1057936032, 1175484480, 1322420040, 1410581376, 1763226720, 2115872064, 2350968960, 2644840080, 3526453440, 4231744128, 5289680160, 7052906880, 10579360320, 21158720640]

約数ペア:

[(1, 21158720640), (2, 10579360320), (3, 7052906880), (4, 5289680160), (5, 4231744128), (6, 3526453440), (8, 2644840080), (9, 2350968960), (10, 2115872064), (12, 1763226720), (15, 1410581376), (16, 1322420040), (18, 1175484480), (20, 1057936032), (24, 881613360), (27, 783656320), (30, 705290688), (32, 661210020), (36, 587742240), (40, 528968016), (45, 470193792), (48, 440806680), (54, 391828160), (60, 352645344), (64, 330605010), (72, 293871120), (80, 264484008), (90, 235096896), (96, 220403340), (108, 195914080), (120, 176322672), (128, 165302505), (135, 156731264), (144, 146935560), (160, 132242004), (180, 117548448), (192, 110201670), (216, 97957040), (229, 92396160), (240, 88161336), (270, 78365632), (288, 73467780), (320, 66121002), (360, 58774224), (384, 55100835), (432, 48978520), (458, 46198080), (480, 44080668), (540, 39182816), (576, 36733890), (640, 33060501), (687, 30798720), (720, 29387112), (864, 24489260), (916, 23099040), (960, 22040334), (1080, 19591408), (1145, 18479232), (1152, 18366945), (1374, 15399360), (1440, 14693556), (1728, 12244630), (1832, 11549520), (1920, 11020167), (2061, 10266240), (2160, 9795704), (2290, 9239616), (2748, 7699680), (2880, 7346778), (3435, 6159744), (3456, 6122315), (3664, 5774760), (4122, 5133120), (4320, 4897852), (4580, 4619808), (5347, 3957120), (5496, 3849840), (5760, 3673389), (6183, 3422080), (6870, 3079872), (7328, 2887380), (8244, 2566560), (8640, 2448926), (9160, 2309904), (10305, 2053248), (10694, 1978560), (10992, 1924920), (12366, 1711040), (13740, 1539936), (14656, 1443690), (16041, 1319040), (16488, 1283280), (17280, 1224463), (18320, 1154952), (20610, 1026624), (21388, 989280), (21984, 962460), (24732, 855520), (26735, 791424), (27480, 769968), (29312, 721845), (30915, 684416), (32082, 659520), (32976, 641640), (36640, 577476), (41220, 513312), (42776, 494640), (43968, 481230), (48123, 439680), (49464, 427760), (53470, 395712), (54960, 384984), (61830, 342208), (64164, 329760), (65952, 320820), (73280, 288738), (80205, 263808), (82440, 256656), (85552, 247320), (87936, 240615), (96246, 219840), (98928, 213880), (106940, 197856), (109920, 192492), (123660, 171104), (128328, 164880), (131904, 160410), (144369, 146560)]