251555040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15881}}^1$

素因数の和:15913

約数の個数: 144

約数和(自身を含む): 936529776

約数和(自身を除く): 684974736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 15881, 31762, 47643, 63524, 79405, 95286, 127048, 142929, 158810, 174691, 190572, 238215, 254096, 285858, 317620, 349382, 381144, 476430, 508192, 524073, 571716, 635240, 698764, 714645, 762288, 873455, 952860, 1048146, 1143432, 1270480, 1397528, 1429290, 1524576, 1572219, 1746910, 1905720, 2096292, 2286864, 2540960, 2620365, 2795056, 2858580, 3144438, 3493820, 3811440, 4192584, 4573728, 5240730, 5590112, 5717160, 6288876, 6987640, 7622880, 7861095, 8385168, 10481460, 11434320, 12577752, 13975280, 15722190, 16770336, 20962920, 22868640, 25155504, 27950560, 31444380, 41925840, 50311008, 62888760, 83851680, 125777520, 251555040]

約数ペア:

[(1, 251555040), (2, 125777520), (3, 83851680), (4, 62888760), (5, 50311008), (6, 41925840), (8, 31444380), (9, 27950560), (10, 25155504), (11, 22868640), (12, 20962920), (15, 16770336), (16, 15722190), (18, 13975280), (20, 12577752), (22, 11434320), (24, 10481460), (30, 8385168), (32, 7861095), (33, 7622880), (36, 6987640), (40, 6288876), (44, 5717160), (45, 5590112), (48, 5240730), (55, 4573728), (60, 4192584), (66, 3811440), (72, 3493820), (80, 3144438), (88, 2858580), (90, 2795056), (96, 2620365), (99, 2540960), (110, 2286864), (120, 2096292), (132, 1905720), (144, 1746910), (160, 1572219), (165, 1524576), (176, 1429290), (180, 1397528), (198, 1270480), (220, 1143432), (240, 1048146), (264, 952860), (288, 873455), (330, 762288), (352, 714645), (360, 698764), (396, 635240), (440, 571716), (480, 524073), (495, 508192), (528, 476430), (660, 381144), (720, 349382), (792, 317620), (880, 285858), (990, 254096), (1056, 238215), (1320, 190572), (1440, 174691), (1584, 158810), (1760, 142929), (1980, 127048), (2640, 95286), (3168, 79405), (3960, 63524), (5280, 47643), (7920, 31762), (15840, 15881)]