761662720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{503}}^1$

素因数の和:557

約数の個数: 216

約数和(自身を含む): 2262266496

約数和(自身を除く): 1500603776

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 169, 182, 208, 224, 256, 260, 280, 320, 338, 364, 416, 448, 455, 503, 520, 560, 640, 676, 728, 832, 845, 896, 910, 1006, 1040, 1120, 1183, 1280, 1352, 1456, 1664, 1690, 1792, 1820, 2012, 2080, 2240, 2366, 2515, 2704, 2912, 3328, 3380, 3521, 3640, 4024, 4160, 4480, 4732, 5030, 5408, 5824, 5915, 6539, 6760, 7042, 7280, 8048, 8320, 8960, 9464, 10060, 10816, 11648, 11830, 13078, 13520, 14084, 14560, 16096, 16640, 17605, 18928, 20120, 21632, 23296, 23660, 26156, 27040, 28168, 29120, 32192, 32695, 35210, 37856, 40240, 43264, 45773, 47320, 52312, 54080, 56336, 58240, 64384, 65390, 70420, 75712, 80480, 85007, 91546, 94640, 104624, 108160, 112672, 116480, 128768, 130780, 140840, 151424, 160960, 170014, 183092, 189280, 209248, 216320, 225344, 228865, 261560, 281680, 302848, 321920, 340028, 366184, 378560, 418496, 425035, 450688, 457730, 523120, 563360, 595049, 643840, 680056, 732368, 757120, 836992, 850070, 901376, 915460, 1046240, 1126720, 1190098, 1360112, 1464736, 1514240, 1673984, 1700140, 1830920, 2092480, 2253440, 2380196, 2720224, 2929472, 2975245, 3400280, 3661840, 4184960, 4506880, 4760392, 5440448, 5858944, 5950490, 6800560, 7323680, 8369920, 9520784, 10880896, 11717888, 11900980, 13601120, 14647360, 19041568, 21761792, 23801960, 27202240, 29294720, 38083136, 47603920, 54404480, 58589440, 76166272, 95207840, 108808960, 152332544, 190415680, 380831360, 761662720]

約数ペア:

[(1, 761662720), (2, 380831360), (4, 190415680), (5, 152332544), (7, 108808960), (8, 95207840), (10, 76166272), (13, 58589440), (14, 54404480), (16, 47603920), (20, 38083136), (26, 29294720), (28, 27202240), (32, 23801960), (35, 21761792), (40, 19041568), (52, 14647360), (56, 13601120), (64, 11900980), (65, 11717888), (70, 10880896), (80, 9520784), (91, 8369920), (104, 7323680), (112, 6800560), (128, 5950490), (130, 5858944), (140, 5440448), (160, 4760392), (169, 4506880), (182, 4184960), (208, 3661840), (224, 3400280), (256, 2975245), (260, 2929472), (280, 2720224), (320, 2380196), (338, 2253440), (364, 2092480), (416, 1830920), (448, 1700140), (455, 1673984), (503, 1514240), (520, 1464736), (560, 1360112), (640, 1190098), (676, 1126720), (728, 1046240), (832, 915460), (845, 901376), (896, 850070), (910, 836992), (1006, 757120), (1040, 732368), (1120, 680056), (1183, 643840), (1280, 595049), (1352, 563360), (1456, 523120), (1664, 457730), (1690, 450688), (1792, 425035), (1820, 418496), (2012, 378560), (2080, 366184), (2240, 340028), (2366, 321920), (2515, 302848), (2704, 281680), (2912, 261560), (3328, 228865), (3380, 225344), (3521, 216320), (3640, 209248), (4024, 189280), (4160, 183092), (4480, 170014), (4732, 160960), (5030, 151424), (5408, 140840), (5824, 130780), (5915, 128768), (6539, 116480), (6760, 112672), (7042, 108160), (7280, 104624), (8048, 94640), (8320, 91546), (8960, 85007), (9464, 80480), (10060, 75712), (10816, 70420), (11648, 65390), (11830, 64384), (13078, 58240), (13520, 56336), (14084, 54080), (14560, 52312), (16096, 47320), (16640, 45773), (17605, 43264), (18928, 40240), (20120, 37856), (21632, 35210), (23296, 32695), (23660, 32192), (26156, 29120), (27040, 28168)]