320459040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20231}}^1$

素因数の和:20263

約数の個数: 144

約数和(自身を含む): 1193040576

約数和(自身を除く): 872581536

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, 20231, 40462, 60693, 80924, 101155, 121386, 161848, 182079, 202310, 222541, 242772, 303465, 323696, 364158, 404620, 445082, 485544, 606930, 647392, 667623, 728316, 809240, 890164, 910395, 971088, 1112705, 1213860, 1335246, 1456632, 1618480, 1780328, 1820790, 1942176, 2002869, 2225410, 2427720, 2670492, 2913264, 3236960, 3338115, 3560656, 3641580, 4005738, 4450820, 4855440, 5340984, 5826528, 6676230, 7121312, 7283160, 8011476, 8901640, 9710880, 10014345, 10681968, 13352460, 14566320, 16022952, 17803280, 20028690, 21363936, 26704920, 29132640, 32045904, 35606560, 40057380, 53409840, 64091808, 80114760, 106819680, 160229520, 320459040]

約数ペア:

[(1, 320459040), (2, 160229520), (3, 106819680), (4, 80114760), (5, 64091808), (6, 53409840), (8, 40057380), (9, 35606560), (10, 32045904), (11, 29132640), (12, 26704920), (15, 21363936), (16, 20028690), (18, 17803280), (20, 16022952), (22, 14566320), (24, 13352460), (30, 10681968), (32, 10014345), (33, 9710880), (36, 8901640), (40, 8011476), (44, 7283160), (45, 7121312), (48, 6676230), (55, 5826528), (60, 5340984), (66, 4855440), (72, 4450820), (80, 4005738), (88, 3641580), (90, 3560656), (96, 3338115), (99, 3236960), (110, 2913264), (120, 2670492), (132, 2427720), (144, 2225410), (160, 2002869), (165, 1942176), (176, 1820790), (180, 1780328), (198, 1618480), (220, 1456632), (240, 1335246), (264, 1213860), (288, 1112705), (330, 971088), (352, 910395), (360, 890164), (396, 809240), (440, 728316), (480, 667623), (495, 647392), (528, 606930), (660, 485544), (720, 445082), (792, 404620), (880, 364158), (990, 323696), (1056, 303465), (1320, 242772), (1440, 222541), (1584, 202310), (1760, 182079), (1980, 161848), (2640, 121386), (3168, 101155), (3960, 80924), (5280, 60693), (7920, 40462), (15840, 20231)]