1997781120

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2731}}^1$

素因数の和:2883

約数の個数: 192

約数和(自身を含む): 6955453440

約数和(自身を除く): 4957672320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 127, 128, 144, 160, 180, 192, 240, 254, 288, 320, 360, 381, 384, 480, 508, 576, 635, 640, 720, 762, 960, 1016, 1143, 1152, 1270, 1440, 1524, 1905, 1920, 2032, 2286, 2540, 2731, 2880, 3048, 3810, 4064, 4572, 5080, 5462, 5715, 5760, 6096, 7620, 8128, 8193, 9144, 10160, 10924, 11430, 12192, 13655, 15240, 16256, 16386, 18288, 20320, 21848, 22860, 24384, 24579, 27310, 30480, 32772, 36576, 40640, 40965, 43696, 45720, 48768, 49158, 54620, 60960, 65544, 73152, 81280, 81930, 87392, 91440, 98316, 109240, 121920, 122895, 131088, 146304, 163860, 174784, 182880, 196632, 218480, 243840, 245790, 262176, 327720, 346837, 349568, 365760, 393264, 436960, 491580, 524352, 655440, 693674, 731520, 786528, 873920, 983160, 1040511, 1048704, 1310880, 1387348, 1573056, 1734185, 1747840, 1966320, 2081022, 2621760, 2774696, 3121533, 3146112, 3468370, 3932640, 4162044, 5202555, 5243520, 5549392, 6243066, 6936740, 7865280, 8324088, 10405110, 11098784, 12486132, 13873480, 15607665, 15730560, 16648176, 20810220, 22197568, 24972264, 27746960, 31215330, 33296352, 41620440, 44395136, 49944528, 55493920, 62430660, 66592704, 83240880, 99889056, 110987840, 124861320, 133185408, 166481760, 199778112, 221975680, 249722640, 332963520, 399556224, 499445280, 665927040, 998890560, 1997781120]

約数ペア:

[(1, 1997781120), (2, 998890560), (3, 665927040), (4, 499445280), (5, 399556224), (6, 332963520), (8, 249722640), (9, 221975680), (10, 199778112), (12, 166481760), (15, 133185408), (16, 124861320), (18, 110987840), (20, 99889056), (24, 83240880), (30, 66592704), (32, 62430660), (36, 55493920), (40, 49944528), (45, 44395136), (48, 41620440), (60, 33296352), (64, 31215330), (72, 27746960), (80, 24972264), (90, 22197568), (96, 20810220), (120, 16648176), (127, 15730560), (128, 15607665), (144, 13873480), (160, 12486132), (180, 11098784), (192, 10405110), (240, 8324088), (254, 7865280), (288, 6936740), (320, 6243066), (360, 5549392), (381, 5243520), (384, 5202555), (480, 4162044), (508, 3932640), (576, 3468370), (635, 3146112), (640, 3121533), (720, 2774696), (762, 2621760), (960, 2081022), (1016, 1966320), (1143, 1747840), (1152, 1734185), (1270, 1573056), (1440, 1387348), (1524, 1310880), (1905, 1048704), (1920, 1040511), (2032, 983160), (2286, 873920), (2540, 786528), (2731, 731520), (2880, 693674), (3048, 655440), (3810, 524352), (4064, 491580), (4572, 436960), (5080, 393264), (5462, 365760), (5715, 349568), (5760, 346837), (6096, 327720), (7620, 262176), (8128, 245790), (8193, 243840), (9144, 218480), (10160, 196632), (10924, 182880), (11430, 174784), (12192, 163860), (13655, 146304), (15240, 131088), (16256, 122895), (16386, 121920), (18288, 109240), (20320, 98316), (21848, 91440), (22860, 87392), (24384, 81930), (24579, 81280), (27310, 73152), (30480, 65544), (32772, 60960), (36576, 54620), (40640, 49158), (40965, 48768), (43696, 45720)]