1996826880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{983}}^1$

素因数の和:1053

約数の個数: 216

約数和(自身を含む): 6673480128

約数和(自身を除く): 4676653248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 529, 552, 640, 690, 736, 768, 920, 960, 983, 1058, 1104, 1280, 1380, 1472, 1587, 1840, 1920, 1966, 2116, 2208, 2645, 2760, 2944, 2949, 3174, 3680, 3840, 3932, 4232, 4416, 4915, 5290, 5520, 5888, 5898, 6348, 7360, 7864, 7935, 8464, 8832, 9830, 10580, 11040, 11796, 12696, 14720, 14745, 15728, 15870, 16928, 17664, 19660, 21160, 22080, 22609, 23592, 25392, 29440, 29490, 31456, 31740, 33856, 39320, 42320, 44160, 45218, 47184, 50784, 58980, 62912, 63480, 67712, 67827, 78640, 84640, 88320, 90436, 94368, 101568, 113045, 117960, 125824, 126960, 135424, 135654, 157280, 169280, 180872, 188736, 203136, 226090, 235920, 251648, 253920, 271308, 314560, 338560, 339135, 361744, 377472, 406272, 452180, 471840, 507840, 520007, 542616, 629120, 677120, 678270, 723488, 754944, 904360, 943680, 1015680, 1040014, 1085232, 1258240, 1356540, 1446976, 1560021, 1808720, 1887360, 2031360, 2080028, 2170464, 2600035, 2713080, 2893952, 3120042, 3617440, 3774720, 4160056, 4340928, 5200070, 5426160, 5787904, 6240084, 7234880, 7800105, 8320112, 8681856, 10400140, 10852320, 12480168, 14469760, 15600210, 16640224, 17363712, 20800280, 21704640, 24960336, 28939520, 31200420, 33280448, 41600560, 43409280, 49920672, 62400840, 66560896, 83201120, 86818560, 99841344, 124801680, 133121792, 166402240, 199682688, 249603360, 332804480, 399365376, 499206720, 665608960, 998413440, 1996826880]

約数ペア:

[(1, 1996826880), (2, 998413440), (3, 665608960), (4, 499206720), (5, 399365376), (6, 332804480), (8, 249603360), (10, 199682688), (12, 166402240), (15, 133121792), (16, 124801680), (20, 99841344), (23, 86818560), (24, 83201120), (30, 66560896), (32, 62400840), (40, 49920672), (46, 43409280), (48, 41600560), (60, 33280448), (64, 31200420), (69, 28939520), (80, 24960336), (92, 21704640), (96, 20800280), (115, 17363712), (120, 16640224), (128, 15600210), (138, 14469760), (160, 12480168), (184, 10852320), (192, 10400140), (230, 8681856), (240, 8320112), (256, 7800105), (276, 7234880), (320, 6240084), (345, 5787904), (368, 5426160), (384, 5200070), (460, 4340928), (480, 4160056), (529, 3774720), (552, 3617440), (640, 3120042), (690, 2893952), (736, 2713080), (768, 2600035), (920, 2170464), (960, 2080028), (983, 2031360), (1058, 1887360), (1104, 1808720), (1280, 1560021), (1380, 1446976), (1472, 1356540), (1587, 1258240), (1840, 1085232), (1920, 1040014), (1966, 1015680), (2116, 943680), (2208, 904360), (2645, 754944), (2760, 723488), (2944, 678270), (2949, 677120), (3174, 629120), (3680, 542616), (3840, 520007), (3932, 507840), (4232, 471840), (4416, 452180), (4915, 406272), (5290, 377472), (5520, 361744), (5888, 339135), (5898, 338560), (6348, 314560), (7360, 271308), (7864, 253920), (7935, 251648), (8464, 235920), (8832, 226090), (9830, 203136), (10580, 188736), (11040, 180872), (11796, 169280), (12696, 157280), (14720, 135654), (14745, 135424), (15728, 126960), (15870, 125824), (16928, 117960), (17664, 113045), (19660, 101568), (21160, 94368), (22080, 90436), (22609, 88320), (23592, 84640), (25392, 78640), (29440, 67827), (29490, 67712), (31456, 63480), (31740, 62912), (33856, 58980), (39320, 50784), (42320, 47184), (44160, 45218)]