205777440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1181}}^1$

素因数の和:1224

約数の個数: 216

約数和(自身を含む): 772510284

約数和(自身を除く): 566732844

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, 121, 132, 144, 160, 165, 176, 180, 198, 220, 240, 242, 264, 288, 330, 352, 360, 363, 396, 440, 480, 484, 495, 528, 605, 660, 720, 726, 792, 880, 968, 990, 1056, 1089, 1181, 1210, 1320, 1440, 1452, 1584, 1760, 1815, 1936, 1980, 2178, 2362, 2420, 2640, 2904, 3168, 3543, 3630, 3872, 3960, 4356, 4724, 4840, 5280, 5445, 5808, 5905, 7086, 7260, 7920, 8712, 9448, 9680, 10629, 10890, 11616, 11810, 12991, 14172, 14520, 15840, 17424, 17715, 18896, 19360, 21258, 21780, 23620, 25982, 28344, 29040, 34848, 35430, 37792, 38973, 42516, 43560, 47240, 51964, 53145, 56688, 58080, 64955, 70860, 77946, 85032, 87120, 94480, 103928, 106290, 113376, 116919, 129910, 141720, 142901, 155892, 170064, 174240, 188960, 194865, 207856, 212580, 233838, 259820, 283440, 285802, 311784, 340128, 389730, 415712, 425160, 428703, 467676, 519640, 566880, 571604, 584595, 623568, 714505, 779460, 850320, 857406, 935352, 1039280, 1143208, 1169190, 1247136, 1286109, 1429010, 1558920, 1700640, 1714812, 1870704, 2078560, 2143515, 2286416, 2338380, 2572218, 2858020, 3117840, 3429624, 3741408, 4287030, 4572832, 4676760, 5144436, 5716040, 6235680, 6430545, 6859248, 8574060, 9353520, 10288872, 11432080, 12861090, 13718496, 17148120, 18707040, 20577744, 22864160, 25722180, 34296240, 41155488, 51444360, 68592480, 102888720, 205777440]

約数ペア:

[(1, 205777440), (2, 102888720), (3, 68592480), (4, 51444360), (5, 41155488), (6, 34296240), (8, 25722180), (9, 22864160), (10, 20577744), (11, 18707040), (12, 17148120), (15, 13718496), (16, 12861090), (18, 11432080), (20, 10288872), (22, 9353520), (24, 8574060), (30, 6859248), (32, 6430545), (33, 6235680), (36, 5716040), (40, 5144436), (44, 4676760), (45, 4572832), (48, 4287030), (55, 3741408), (60, 3429624), (66, 3117840), (72, 2858020), (80, 2572218), (88, 2338380), (90, 2286416), (96, 2143515), (99, 2078560), (110, 1870704), (120, 1714812), (121, 1700640), (132, 1558920), (144, 1429010), (160, 1286109), (165, 1247136), (176, 1169190), (180, 1143208), (198, 1039280), (220, 935352), (240, 857406), (242, 850320), (264, 779460), (288, 714505), (330, 623568), (352, 584595), (360, 571604), (363, 566880), (396, 519640), (440, 467676), (480, 428703), (484, 425160), (495, 415712), (528, 389730), (605, 340128), (660, 311784), (720, 285802), (726, 283440), (792, 259820), (880, 233838), (968, 212580), (990, 207856), (1056, 194865), (1089, 188960), (1181, 174240), (1210, 170064), (1320, 155892), (1440, 142901), (1452, 141720), (1584, 129910), (1760, 116919), (1815, 113376), (1936, 106290), (1980, 103928), (2178, 94480), (2362, 87120), (2420, 85032), (2640, 77946), (2904, 70860), (3168, 64955), (3543, 58080), (3630, 56688), (3872, 53145), (3960, 51964), (4356, 47240), (4724, 43560), (4840, 42516), (5280, 38973), (5445, 37792), (5808, 35430), (5905, 34848), (7086, 29040), (7260, 28344), (7920, 25982), (8712, 23620), (9448, 21780), (9680, 21258), (10629, 19360), (10890, 18896), (11616, 17715), (11810, 17424), (12991, 15840), (14172, 14520)]