1991689920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62869}}^1$

素因数の和:62903

約数の個数: 168

約数和(自身を含む): 7473482640

約数和(自身を除く): 5481792720

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, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 704, 720, 792, 880, 960, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 5280, 6336, 7920, 10560, 15840, 31680, 62869, 125738, 188607, 251476, 314345, 377214, 502952, 565821, 628690, 691559, 754428, 943035, 1005904, 1131642, 1257380, 1383118, 1508856, 1886070, 2011808, 2074677, 2263284, 2514760, 2766236, 2829105, 3017712, 3457795, 3772140, 4023616, 4149354, 4526568, 5029520, 5532472, 5658210, 6035424, 6224031, 6915590, 7544280, 8298708, 9053136, 10059040, 10373385, 11064944, 11316420, 12070848, 12448062, 13831180, 15088560, 16597416, 18106272, 20118080, 20746770, 22129888, 22632840, 24896124, 27662360, 30177120, 31120155, 33194832, 36212544, 41493540, 44259776, 45265680, 49792248, 55324720, 60354240, 62240310, 66389664, 82987080, 90531360, 99584496, 110649440, 124480620, 132779328, 165974160, 181062720, 199168992, 221298880, 248961240, 331948320, 398337984, 497922480, 663896640, 995844960, 1991689920]

約数ペア:

[(1, 1991689920), (2, 995844960), (3, 663896640), (4, 497922480), (5, 398337984), (6, 331948320), (8, 248961240), (9, 221298880), (10, 199168992), (11, 181062720), (12, 165974160), (15, 132779328), (16, 124480620), (18, 110649440), (20, 99584496), (22, 90531360), (24, 82987080), (30, 66389664), (32, 62240310), (33, 60354240), (36, 55324720), (40, 49792248), (44, 45265680), (45, 44259776), (48, 41493540), (55, 36212544), (60, 33194832), (64, 31120155), (66, 30177120), (72, 27662360), (80, 24896124), (88, 22632840), (90, 22129888), (96, 20746770), (99, 20118080), (110, 18106272), (120, 16597416), (132, 15088560), (144, 13831180), (160, 12448062), (165, 12070848), (176, 11316420), (180, 11064944), (192, 10373385), (198, 10059040), (220, 9053136), (240, 8298708), (264, 7544280), (288, 6915590), (320, 6224031), (330, 6035424), (352, 5658210), (360, 5532472), (396, 5029520), (440, 4526568), (480, 4149354), (495, 4023616), (528, 3772140), (576, 3457795), (660, 3017712), (704, 2829105), (720, 2766236), (792, 2514760), (880, 2263284), (960, 2074677), (990, 2011808), (1056, 1886070), (1320, 1508856), (1440, 1383118), (1584, 1257380), (1760, 1131642), (1980, 1005904), (2112, 943035), (2640, 754428), (2880, 691559), (3168, 628690), (3520, 565821), (3960, 502952), (5280, 377214), (6336, 314345), (7920, 251476), (10560, 188607), (15840, 125738), (31680, 62869)]