20916603360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{89113}}^1$

素因数の和:89297

約数の個数: 144

約数和(自身を含む): 71816616144

約数和(自身を除く): 50900012784

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, 72, 80, 90, 96, 120, 144, 160, 163, 180, 240, 288, 326, 360, 480, 489, 652, 720, 815, 978, 1304, 1440, 1467, 1630, 1956, 2445, 2608, 2934, 3260, 3912, 4890, 5216, 5868, 6520, 7335, 7824, 9780, 11736, 13040, 14670, 15648, 19560, 23472, 26080, 29340, 39120, 46944, 58680, 78240, 89113, 117360, 178226, 234720, 267339, 356452, 445565, 534678, 712904, 802017, 891130, 1069356, 1336695, 1425808, 1604034, 1782260, 2138712, 2673390, 2851616, 3208068, 3564520, 4010085, 4277424, 5346780, 6416136, 7129040, 8020170, 8554848, 10693560, 12832272, 14258080, 14525419, 16040340, 21387120, 25664544, 29050838, 32080680, 42774240, 43576257, 58101676, 64161360, 72627095, 87152514, 116203352, 128322720, 130728771, 145254190, 174305028, 217881285, 232406704, 261457542, 290508380, 348610056, 435762570, 464813408, 522915084, 581016760, 653643855, 697220112, 871525140, 1045830168, 1162033520, 1307287710, 1394440224, 1743050280, 2091660336, 2324067040, 2614575420, 3486100560, 4183320672, 5229150840, 6972201120, 10458301680, 20916603360]

約数ペア:

[(1, 20916603360), (2, 10458301680), (3, 6972201120), (4, 5229150840), (5, 4183320672), (6, 3486100560), (8, 2614575420), (9, 2324067040), (10, 2091660336), (12, 1743050280), (15, 1394440224), (16, 1307287710), (18, 1162033520), (20, 1045830168), (24, 871525140), (30, 697220112), (32, 653643855), (36, 581016760), (40, 522915084), (45, 464813408), (48, 435762570), (60, 348610056), (72, 290508380), (80, 261457542), (90, 232406704), (96, 217881285), (120, 174305028), (144, 145254190), (160, 130728771), (163, 128322720), (180, 116203352), (240, 87152514), (288, 72627095), (326, 64161360), (360, 58101676), (480, 43576257), (489, 42774240), (652, 32080680), (720, 29050838), (815, 25664544), (978, 21387120), (1304, 16040340), (1440, 14525419), (1467, 14258080), (1630, 12832272), (1956, 10693560), (2445, 8554848), (2608, 8020170), (2934, 7129040), (3260, 6416136), (3912, 5346780), (4890, 4277424), (5216, 4010085), (5868, 3564520), (6520, 3208068), (7335, 2851616), (7824, 2673390), (9780, 2138712), (11736, 1782260), (13040, 1604034), (14670, 1425808), (15648, 1336695), (19560, 1069356), (23472, 891130), (26080, 802017), (29340, 712904), (39120, 534678), (46944, 445565), (58680, 356452), (78240, 267339), (89113, 234720), (117360, 178226)]