991303680

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 3369628080

約数和(自身を除く): 2378324400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 61, 64, 69, 80, 92, 96, 115, 120, 122, 128, 138, 160, 183, 184, 192, 230, 240, 244, 256, 276, 305, 320, 345, 366, 368, 384, 460, 480, 488, 512, 529, 552, 610, 640, 690, 732, 736, 768, 915, 920, 960, 976, 1024, 1058, 1104, 1220, 1280, 1380, 1403, 1464, 1472, 1536, 1587, 1830, 1840, 1920, 1952, 2048, 2116, 2208, 2440, 2560, 2645, 2760, 2806, 2928, 2944, 3072, 3174, 3660, 3680, 3840, 3904, 4209, 4232, 4416, 4880, 5120, 5290, 5520, 5612, 5856, 5888, 6144, 6348, 7015, 7320, 7360, 7680, 7808, 7935, 8418, 8464, 8832, 9760, 10240, 10580, 11040, 11224, 11712, 11776, 12696, 14030, 14640, 14720, 15360, 15616, 15870, 16836, 16928, 17664, 19520, 21045, 21160, 22080, 22448, 23424, 23552, 25392, 28060, 29280, 29440, 30720, 31232, 31740, 32269, 33672, 33856, 35328, 39040, 42090, 42320, 44160, 44896, 46848, 47104, 50784, 56120, 58560, 58880, 62464, 63480, 64538, 67344, 67712, 70656, 78080, 84180, 84640, 88320, 89792, 93696, 96807, 101568, 112240, 117120, 117760, 124928, 126960, 129076, 134688, 135424, 141312, 156160, 161345, 168360, 169280, 176640, 179584, 187392, 193614, 203136, 224480, 234240, 235520, 253920, 258152, 269376, 270848, 312320, 322690, 336720, 338560, 353280, 359168, 374784, 387228, 406272, 448960, 468480, 484035, 507840, 516304, 538752, 541696, 624640, 645380, 673440, 677120, 706560, 718336, 774456, 812544, 897920, 936960, 968070, 1015680, 1032608, 1077504, 1083392, 1290760, 1346880, 1354240, 1436672, 1548912, 1625088, 1795840, 1873920, 1936140, 2031360, 2065216, 2155008, 2581520, 2693760, 2708480, 2873344, 3097824, 3250176, 3591680, 3872280, 4062720, 4130432, 4310016, 5163040, 5387520, 5416960, 6195648, 7183360, 7744560, 8125440, 8260864, 8620032, 10326080, 10775040, 12391296, 14366720, 15489120, 16250880, 16521728, 20652160, 21550080, 24782592, 30978240, 33043456, 41304320, 43100160, 49565184, 61956480, 66086912, 82608640, 99130368, 123912960, 165217280, 198260736, 247825920, 330434560, 495651840, 991303680]

約数ペア:

[(1, 991303680), (2, 495651840), (3, 330434560), (4, 247825920), (5, 198260736), (6, 165217280), (8, 123912960), (10, 99130368), (12, 82608640), (15, 66086912), (16, 61956480), (20, 49565184), (23, 43100160), (24, 41304320), (30, 33043456), (32, 30978240), (40, 24782592), (46, 21550080), (48, 20652160), (60, 16521728), (61, 16250880), (64, 15489120), (69, 14366720), (80, 12391296), (92, 10775040), (96, 10326080), (115, 8620032), (120, 8260864), (122, 8125440), (128, 7744560), (138, 7183360), (160, 6195648), (183, 5416960), (184, 5387520), (192, 5163040), (230, 4310016), (240, 4130432), (244, 4062720), (256, 3872280), (276, 3591680), (305, 3250176), (320, 3097824), (345, 2873344), (366, 2708480), (368, 2693760), (384, 2581520), (460, 2155008), (480, 2065216), (488, 2031360), (512, 1936140), (529, 1873920), (552, 1795840), (610, 1625088), (640, 1548912), (690, 1436672), (732, 1354240), (736, 1346880), (768, 1290760), (915, 1083392), (920, 1077504), (960, 1032608), (976, 1015680), (1024, 968070), (1058, 936960), (1104, 897920), (1220, 812544), (1280, 774456), (1380, 718336), (1403, 706560), (1464, 677120), (1472, 673440), (1536, 645380), (1587, 624640), (1830, 541696), (1840, 538752), (1920, 516304), (1952, 507840), (2048, 484035), (2116, 468480), (2208, 448960), (2440, 406272), (2560, 387228), (2645, 374784), (2760, 359168), (2806, 353280), (2928, 338560), (2944, 336720), (3072, 322690), (3174, 312320), (3660, 270848), (3680, 269376), (3840, 258152), (3904, 253920), (4209, 235520), (4232, 234240), (4416, 224480), (4880, 203136), (5120, 193614), (5290, 187392), (5520, 179584), (5612, 176640), (5856, 169280), (5888, 168360), (6144, 161345), (6348, 156160), (7015, 141312), (7320, 135424), (7360, 134688), (7680, 129076), (7808, 126960), (7935, 124928), (8418, 117760), (8464, 117120), (8832, 112240), (9760, 101568), (10240, 96807), (10580, 93696), (11040, 89792), (11224, 88320), (11712, 84640), (11776, 84180), (12696, 78080), (14030, 70656), (14640, 67712), (14720, 67344), (15360, 64538), (15616, 63480), (15870, 62464), (16836, 58880), (16928, 58560), (17664, 56120), (19520, 50784), (21045, 47104), (21160, 46848), (22080, 44896), (22448, 44160), (23424, 42320), (23552, 42090), (25392, 39040), (28060, 35328), (29280, 33856), (29440, 33672), (30720, 32269), (31232, 31740)]