78215760

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{739}}^1$

素因数の和:775

約数の個数: 240

約数和(自身を含む): 313819200

約数和(自身を除く): 235603440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 739, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1478, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2217, 2352, 2520, 2646, 2940, 2956, 3024, 3528, 3695, 3780, 3920, 4410, 4434, 5040, 5173, 5292, 5880, 5912, 6615, 6651, 7056, 7390, 7560, 8820, 8868, 10346, 10584, 11085, 11760, 11824, 13230, 13302, 14780, 15120, 15519, 17640, 17736, 19953, 20692, 21168, 22170, 25865, 26460, 26604, 29560, 31038, 33255, 35280, 35472, 36211, 39906, 41384, 44340, 46557, 51730, 52920, 53208, 59120, 62076, 66510, 72422, 77595, 79812, 82768, 88680, 93114, 99765, 103460, 105840, 106416, 108633, 124152, 133020, 139671, 144844, 155190, 159624, 177360, 181055, 186228, 199530, 206920, 217266, 232785, 248304, 266040, 279342, 289688, 310380, 319248, 325899, 362110, 372456, 399060, 413840, 434532, 465570, 532080, 543165, 558684, 579376, 620760, 651798, 698355, 724220, 744912, 798120, 869064, 931140, 977697, 1086330, 1117368, 1241520, 1303596, 1396710, 1448440, 1596240, 1629495, 1738128, 1862280, 1955394, 2172660, 2234736, 2607192, 2793420, 2896880, 3258990, 3724560, 3910788, 4345320, 4888485, 5214384, 5586840, 6517980, 7821576, 8690640, 9776970, 11173680, 13035960, 15643152, 19553940, 26071920, 39107880, 78215760]

約数ペア:

[(1, 78215760), (2, 39107880), (3, 26071920), (4, 19553940), (5, 15643152), (6, 13035960), (7, 11173680), (8, 9776970), (9, 8690640), (10, 7821576), (12, 6517980), (14, 5586840), (15, 5214384), (16, 4888485), (18, 4345320), (20, 3910788), (21, 3724560), (24, 3258990), (27, 2896880), (28, 2793420), (30, 2607192), (35, 2234736), (36, 2172660), (40, 1955394), (42, 1862280), (45, 1738128), (48, 1629495), (49, 1596240), (54, 1448440), (56, 1396710), (60, 1303596), (63, 1241520), (70, 1117368), (72, 1086330), (80, 977697), (84, 931140), (90, 869064), (98, 798120), (105, 744912), (108, 724220), (112, 698355), (120, 651798), (126, 620760), (135, 579376), (140, 558684), (144, 543165), (147, 532080), (168, 465570), (180, 434532), (189, 413840), (196, 399060), (210, 372456), (216, 362110), (240, 325899), (245, 319248), (252, 310380), (270, 289688), (280, 279342), (294, 266040), (315, 248304), (336, 232785), (360, 217266), (378, 206920), (392, 199530), (420, 186228), (432, 181055), (441, 177360), (490, 159624), (504, 155190), (540, 144844), (560, 139671), (588, 133020), (630, 124152), (720, 108633), (735, 106416), (739, 105840), (756, 103460), (784, 99765), (840, 93114), (882, 88680), (945, 82768), (980, 79812), (1008, 77595), (1080, 72422), (1176, 66510), (1260, 62076), (1323, 59120), (1470, 53208), (1478, 52920), (1512, 51730), (1680, 46557), (1764, 44340), (1890, 41384), (1960, 39906), (2160, 36211), (2205, 35472), (2217, 35280), (2352, 33255), (2520, 31038), (2646, 29560), (2940, 26604), (2956, 26460), (3024, 25865), (3528, 22170), (3695, 21168), (3780, 20692), (3920, 19953), (4410, 17736), (4434, 17640), (5040, 15519), (5173, 15120), (5292, 14780), (5880, 13302), (5912, 13230), (6615, 11824), (6651, 11760), (7056, 11085), (7390, 10584), (7560, 10346), (8820, 8868)]