281890560

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{10487}}^1$

素因数の和:10518

約数の個数: 144

約数和(自身を含む): 1028998656

約数和(自身を除く): 747108096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 10487, 13440, 20974, 26880, 31461, 41948, 52435, 62922, 73409, 83896, 104870, 125844, 146818, 157305, 167792, 209740, 220227, 251688, 293636, 314610, 335584, 367045, 419480, 440454, 503376, 587272, 629220, 671168, 734090, 838960, 880908, 1006752, 1101135, 1174544, 1258440, 1342336, 1468180, 1677920, 1761816, 2013504, 2202270, 2349088, 2516880, 2684672, 2936360, 3355840, 3523632, 4027008, 4404540, 4698176, 5033760, 5872720, 6711680, 7047264, 8054016, 8809080, 9396352, 10067520, 11745440, 13423360, 14094528, 17618160, 18792704, 20135040, 23490880, 28189056, 35236320, 40270080, 46981760, 56378112, 70472640, 93963520, 140945280, 281890560]

約数ペア:

[(1, 281890560), (2, 140945280), (3, 93963520), (4, 70472640), (5, 56378112), (6, 46981760), (7, 40270080), (8, 35236320), (10, 28189056), (12, 23490880), (14, 20135040), (15, 18792704), (16, 17618160), (20, 14094528), (21, 13423360), (24, 11745440), (28, 10067520), (30, 9396352), (32, 8809080), (35, 8054016), (40, 7047264), (42, 6711680), (48, 5872720), (56, 5033760), (60, 4698176), (64, 4404540), (70, 4027008), (80, 3523632), (84, 3355840), (96, 2936360), (105, 2684672), (112, 2516880), (120, 2349088), (128, 2202270), (140, 2013504), (160, 1761816), (168, 1677920), (192, 1468180), (210, 1342336), (224, 1258440), (240, 1174544), (256, 1101135), (280, 1006752), (320, 880908), (336, 838960), (384, 734090), (420, 671168), (448, 629220), (480, 587272), (560, 503376), (640, 440454), (672, 419480), (768, 367045), (840, 335584), (896, 314610), (960, 293636), (1120, 251688), (1280, 220227), (1344, 209740), (1680, 167792), (1792, 157305), (1920, 146818), (2240, 125844), (2688, 104870), (3360, 83896), (3840, 73409), (4480, 62922), (5376, 52435), (6720, 41948), (8960, 31461), (10487, 26880), (13440, 20974)]