648827520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 256

約数和(自身を含む): 2331279360

約数和(自身を除く): 1682451840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 128, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 384, 440, 465, 480, 496, 528, 620, 640, 660, 682, 704, 744, 880, 930, 960, 991, 992, 1023, 1056, 1240, 1320, 1364, 1408, 1488, 1705, 1760, 1860, 1920, 1982, 1984, 2046, 2112, 2480, 2640, 2728, 2973, 2976, 3410, 3520, 3720, 3964, 3968, 4092, 4224, 4955, 4960, 5115, 5280, 5456, 5946, 5952, 6820, 7040, 7440, 7928, 8184, 9910, 9920, 10230, 10560, 10901, 10912, 11892, 11904, 13640, 14865, 14880, 15856, 16368, 19820, 19840, 20460, 21120, 21802, 21824, 23784, 27280, 29730, 29760, 30721, 31712, 32703, 32736, 39640, 40920, 43604, 43648, 47568, 54505, 54560, 59460, 59520, 61442, 63424, 65406, 65472, 79280, 81840, 87208, 92163, 95136, 109010, 109120, 118920, 122884, 126848, 130812, 130944, 153605, 158560, 163515, 163680, 174416, 184326, 190272, 218020, 218240, 237840, 245768, 261624, 307210, 317120, 327030, 327360, 337931, 348832, 368652, 380544, 436040, 460815, 475680, 491536, 523248, 614420, 634240, 654060, 654720, 675862, 697664, 737304, 872080, 921630, 951360, 983072, 1013793, 1046496, 1228840, 1308120, 1351724, 1395328, 1474608, 1689655, 1744160, 1843260, 1902720, 1966144, 2027586, 2092992, 2457680, 2616240, 2703448, 2949216, 3379310, 3488320, 3686520, 3932288, 4055172, 4185984, 4915360, 5068965, 5232480, 5406896, 5898432, 6758620, 6976640, 7373040, 8110344, 9830720, 10137930, 10464960, 10813792, 11796864, 13517240, 14746080, 16220688, 19661440, 20275860, 20929920, 21627584, 27034480, 29492160, 32441376, 40551720, 43255168, 54068960, 58984320, 64882752, 81103440, 108137920, 129765504, 162206880, 216275840, 324413760, 648827520]

約数ペア:

[(1, 648827520), (2, 324413760), (3, 216275840), (4, 162206880), (5, 129765504), (6, 108137920), (8, 81103440), (10, 64882752), (11, 58984320), (12, 54068960), (15, 43255168), (16, 40551720), (20, 32441376), (22, 29492160), (24, 27034480), (30, 21627584), (31, 20929920), (32, 20275860), (33, 19661440), (40, 16220688), (44, 14746080), (48, 13517240), (55, 11796864), (60, 10813792), (62, 10464960), (64, 10137930), (66, 9830720), (80, 8110344), (88, 7373040), (93, 6976640), (96, 6758620), (110, 5898432), (120, 5406896), (124, 5232480), (128, 5068965), (132, 4915360), (155, 4185984), (160, 4055172), (165, 3932288), (176, 3686520), (186, 3488320), (192, 3379310), (220, 2949216), (240, 2703448), (248, 2616240), (264, 2457680), (310, 2092992), (320, 2027586), (330, 1966144), (341, 1902720), (352, 1843260), (372, 1744160), (384, 1689655), (440, 1474608), (465, 1395328), (480, 1351724), (496, 1308120), (528, 1228840), (620, 1046496), (640, 1013793), (660, 983072), (682, 951360), (704, 921630), (744, 872080), (880, 737304), (930, 697664), (960, 675862), (991, 654720), (992, 654060), (1023, 634240), (1056, 614420), (1240, 523248), (1320, 491536), (1364, 475680), (1408, 460815), (1488, 436040), (1705, 380544), (1760, 368652), (1860, 348832), (1920, 337931), (1982, 327360), (1984, 327030), (2046, 317120), (2112, 307210), (2480, 261624), (2640, 245768), (2728, 237840), (2973, 218240), (2976, 218020), (3410, 190272), (3520, 184326), (3720, 174416), (3964, 163680), (3968, 163515), (4092, 158560), (4224, 153605), (4955, 130944), (4960, 130812), (5115, 126848), (5280, 122884), (5456, 118920), (5946, 109120), (5952, 109010), (6820, 95136), (7040, 92163), (7440, 87208), (7928, 81840), (8184, 79280), (9910, 65472), (9920, 65406), (10230, 63424), (10560, 61442), (10901, 59520), (10912, 59460), (11892, 54560), (11904, 54505), (13640, 47568), (14865, 43648), (14880, 43604), (15856, 40920), (16368, 39640), (19820, 32736), (19840, 32703), (20460, 31712), (21120, 30721), (21802, 29760), (21824, 29730), (23784, 27280)]