991025280

素因数分解:

$2^7\times 3^4\times 5^1\times 7^1\times {\mathrm{2731}}^1$

素因数の和:2769

約数の個数: 320

約数和(自身を含む): 4046201280

約数和(自身を除く): 3055176000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 810, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2268, 2520, 2592, 2688, 2731, 2835, 2880, 3024, 3240, 3360, 3456, 3780, 4032, 4320, 4480, 4536, 5040, 5184, 5462, 5670, 5760, 6048, 6480, 6720, 7560, 8064, 8193, 8640, 9072, 10080, 10368, 10924, 11340, 12096, 12960, 13440, 13655, 15120, 16386, 17280, 18144, 19117, 20160, 21848, 22680, 24192, 24579, 25920, 27310, 30240, 32772, 36288, 38234, 40320, 40965, 43696, 45360, 49158, 51840, 54620, 57351, 60480, 65544, 72576, 73737, 76468, 81930, 87392, 90720, 95585, 98316, 109240, 114702, 120960, 122895, 131088, 147474, 152936, 163860, 172053, 174784, 181440, 191170, 196632, 218480, 221211, 229404, 245790, 262176, 286755, 294948, 305872, 327720, 344106, 349568, 362880, 368685, 382340, 393264, 436960, 442422, 458808, 491580, 516159, 524352, 573510, 589896, 611744, 655440, 688212, 737370, 764680, 786528, 860265, 873920, 884844, 917616, 983160, 1032318, 1048704, 1106055, 1147020, 1179792, 1223488, 1310880, 1376424, 1474740, 1529360, 1548477, 1573056, 1720530, 1747840, 1769688, 1835232, 1966320, 2064636, 2212110, 2294040, 2359584, 2446976, 2580795, 2621760, 2752848, 2949480, 3058720, 3096954, 3146112, 3441060, 3539376, 3670464, 3932640, 4129272, 4424220, 4588080, 4719168, 5161590, 5243520, 5505696, 5898960, 6117440, 6193908, 6882120, 7078752, 7340928, 7742385, 7865280, 8258544, 8848440, 9176160, 9438336, 10323180, 11011392, 11797920, 12234880, 12387816, 13764240, 14157504, 15484770, 15730560, 16517088, 17696880, 18352320, 20646360, 22022784, 23595840, 24775632, 27528480, 28315008, 30969540, 33034176, 35393760, 36704640, 41292720, 47191680, 49551264, 55056960, 61939080, 66068352, 70787520, 82585440, 99102528, 110113920, 123878160, 141575040, 165170880, 198205056, 247756320, 330341760, 495512640, 991025280]

約数ペア:

[(1, 991025280), (2, 495512640), (3, 330341760), (4, 247756320), (5, 198205056), (6, 165170880), (7, 141575040), (8, 123878160), (9, 110113920), (10, 99102528), (12, 82585440), (14, 70787520), (15, 66068352), (16, 61939080), (18, 55056960), (20, 49551264), (21, 47191680), (24, 41292720), (27, 36704640), (28, 35393760), (30, 33034176), (32, 30969540), (35, 28315008), (36, 27528480), (40, 24775632), (42, 23595840), (45, 22022784), (48, 20646360), (54, 18352320), (56, 17696880), (60, 16517088), (63, 15730560), (64, 15484770), (70, 14157504), (72, 13764240), (80, 12387816), (81, 12234880), (84, 11797920), (90, 11011392), (96, 10323180), (105, 9438336), (108, 9176160), (112, 8848440), (120, 8258544), (126, 7865280), (128, 7742385), (135, 7340928), (140, 7078752), (144, 6882120), (160, 6193908), (162, 6117440), (168, 5898960), (180, 5505696), (189, 5243520), (192, 5161590), (210, 4719168), (216, 4588080), (224, 4424220), (240, 4129272), (252, 3932640), (270, 3670464), (280, 3539376), (288, 3441060), (315, 3146112), (320, 3096954), (324, 3058720), (336, 2949480), (360, 2752848), (378, 2621760), (384, 2580795), (405, 2446976), (420, 2359584), (432, 2294040), (448, 2212110), (480, 2064636), (504, 1966320), (540, 1835232), (560, 1769688), (567, 1747840), (576, 1720530), (630, 1573056), (640, 1548477), (648, 1529360), (672, 1474740), (720, 1376424), (756, 1310880), (810, 1223488), (840, 1179792), (864, 1147020), (896, 1106055), (945, 1048704), (960, 1032318), (1008, 983160), (1080, 917616), (1120, 884844), (1134, 873920), (1152, 860265), (1260, 786528), (1296, 764680), (1344, 737370), (1440, 688212), (1512, 655440), (1620, 611744), (1680, 589896), (1728, 573510), (1890, 524352), (1920, 516159), (2016, 491580), (2160, 458808), (2240, 442422), (2268, 436960), (2520, 393264), (2592, 382340), (2688, 368685), (2731, 362880), (2835, 349568), (2880, 344106), (3024, 327720), (3240, 305872), (3360, 294948), (3456, 286755), (3780, 262176), (4032, 245790), (4320, 229404), (4480, 221211), (4536, 218480), (5040, 196632), (5184, 191170), (5462, 181440), (5670, 174784), (5760, 172053), (6048, 163860), (6480, 152936), (6720, 147474), (7560, 131088), (8064, 122895), (8193, 120960), (8640, 114702), (9072, 109240), (10080, 98316), (10368, 95585), (10924, 90720), (11340, 87392), (12096, 81930), (12960, 76468), (13440, 73737), (13655, 72576), (15120, 65544), (16386, 60480), (17280, 57351), (18144, 54620), (19117, 51840), (20160, 49158), (21848, 45360), (22680, 43696), (24192, 40965), (24579, 40320), (25920, 38234), (27310, 36288), (30240, 32772)]