661933440

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{16417}}^1$

素因数の和:16449

約数の個数: 192

約数和(自身を含む): 2612432160

約数和(自身を除く): 1950498720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 16417, 20160, 32834, 40320, 49251, 65668, 82085, 98502, 114919, 131336, 147753, 164170, 197004, 229838, 246255, 262672, 295506, 328340, 344757, 394008, 459676, 492510, 525344, 574595, 591012, 656680, 689514, 738765, 788016, 919352, 985020, 1034271, 1050688, 1149190, 1182024, 1313360, 1379028, 1477530, 1576032, 1723785, 1838704, 1970040, 2068542, 2101376, 2298380, 2364048, 2626720, 2758056, 2955060, 3152064, 3447570, 3677408, 3940080, 4137084, 4596760, 4728096, 5171355, 5253440, 5516112, 5910120, 6304128, 6895140, 7354816, 7880160, 8274168, 9193520, 9456192, 10342710, 10506880, 11032224, 11820240, 13790280, 14709632, 15760320, 16548336, 18387040, 18912384, 20685420, 22064448, 23640480, 27580560, 31520640, 33096672, 36774080, 41370840, 44128896, 47280960, 55161120, 66193344, 73548160, 82741680, 94561920, 110322240, 132386688, 165483360, 220644480, 330966720, 661933440]

約数ペア:

[(1, 661933440), (2, 330966720), (3, 220644480), (4, 165483360), (5, 132386688), (6, 110322240), (7, 94561920), (8, 82741680), (9, 73548160), (10, 66193344), (12, 55161120), (14, 47280960), (15, 44128896), (16, 41370840), (18, 36774080), (20, 33096672), (21, 31520640), (24, 27580560), (28, 23640480), (30, 22064448), (32, 20685420), (35, 18912384), (36, 18387040), (40, 16548336), (42, 15760320), (45, 14709632), (48, 13790280), (56, 11820240), (60, 11032224), (63, 10506880), (64, 10342710), (70, 9456192), (72, 9193520), (80, 8274168), (84, 7880160), (90, 7354816), (96, 6895140), (105, 6304128), (112, 5910120), (120, 5516112), (126, 5253440), (128, 5171355), (140, 4728096), (144, 4596760), (160, 4137084), (168, 3940080), (180, 3677408), (192, 3447570), (210, 3152064), (224, 2955060), (240, 2758056), (252, 2626720), (280, 2364048), (288, 2298380), (315, 2101376), (320, 2068542), (336, 1970040), (360, 1838704), (384, 1723785), (420, 1576032), (448, 1477530), (480, 1379028), (504, 1313360), (560, 1182024), (576, 1149190), (630, 1050688), (640, 1034271), (672, 985020), (720, 919352), (840, 788016), (896, 738765), (960, 689514), (1008, 656680), (1120, 591012), (1152, 574595), (1260, 525344), (1344, 492510), (1440, 459676), (1680, 394008), (1920, 344757), (2016, 328340), (2240, 295506), (2520, 262672), (2688, 246255), (2880, 229838), (3360, 197004), (4032, 164170), (4480, 147753), (5040, 131336), (5760, 114919), (6720, 98502), (8064, 82085), (10080, 65668), (13440, 49251), (16417, 40320), (20160, 32834)]