981306984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 256

約数和(自身を含む): 3126067200

約数和(自身を除く): 2144760216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 31, 38, 42, 47, 56, 57, 62, 76, 84, 93, 94, 114, 124, 133, 141, 152, 168, 186, 188, 211, 217, 228, 248, 266, 282, 329, 372, 376, 399, 422, 434, 456, 532, 564, 589, 633, 651, 658, 744, 798, 844, 868, 893, 987, 1064, 1128, 1178, 1266, 1302, 1316, 1457, 1477, 1596, 1688, 1736, 1767, 1786, 1974, 2356, 2532, 2604, 2632, 2679, 2914, 2954, 3192, 3534, 3572, 3948, 4009, 4123, 4371, 4431, 4712, 5064, 5208, 5358, 5828, 5908, 6251, 6541, 7068, 7144, 7896, 8018, 8246, 8742, 8862, 9917, 10199, 10716, 11656, 11816, 12027, 12369, 12502, 13082, 14136, 16036, 16492, 17484, 17724, 18753, 19623, 19834, 20398, 21432, 24054, 24738, 25004, 26164, 27683, 28063, 29751, 30597, 32072, 32984, 34968, 35448, 37506, 39246, 39668, 40796, 45787, 48108, 49476, 50008, 52328, 55366, 56126, 59502, 61194, 69419, 75012, 78492, 79336, 81592, 83049, 84189, 91574, 96216, 98952, 110732, 112252, 119004, 122388, 124279, 137361, 138838, 150024, 156984, 166098, 168378, 183148, 188423, 193781, 208257, 221464, 224504, 238008, 244776, 248558, 274722, 277676, 307427, 332196, 336756, 366296, 372837, 376846, 387562, 416514, 497116, 549444, 555352, 565269, 581343, 614854, 664392, 673512, 745674, 753692, 775124, 833028, 869953, 922281, 994232, 1098888, 1130538, 1162686, 1229708, 1318961, 1491348, 1507384, 1550248, 1666056, 1739906, 1844562, 2151989, 2261076, 2325372, 2459416, 2609859, 2637922, 2982696, 3479812, 3689124, 3956883, 4303978, 4522152, 4650744, 5219718, 5275844, 5841113, 6455967, 6959624, 7378248, 7913766, 8607956, 10439436, 10551688, 11682226, 12911934, 15827532, 17215912, 17523339, 20878872, 23364452, 25823868, 31655064, 35046678, 40887791, 46728904, 51647736, 70093356, 81775582, 122663373, 140186712, 163551164, 245326746, 327102328, 490653492, 981306984]

約数ペア:

[(1, 981306984), (2, 490653492), (3, 327102328), (4, 245326746), (6, 163551164), (7, 140186712), (8, 122663373), (12, 81775582), (14, 70093356), (19, 51647736), (21, 46728904), (24, 40887791), (28, 35046678), (31, 31655064), (38, 25823868), (42, 23364452), (47, 20878872), (56, 17523339), (57, 17215912), (62, 15827532), (76, 12911934), (84, 11682226), (93, 10551688), (94, 10439436), (114, 8607956), (124, 7913766), (133, 7378248), (141, 6959624), (152, 6455967), (168, 5841113), (186, 5275844), (188, 5219718), (211, 4650744), (217, 4522152), (228, 4303978), (248, 3956883), (266, 3689124), (282, 3479812), (329, 2982696), (372, 2637922), (376, 2609859), (399, 2459416), (422, 2325372), (434, 2261076), (456, 2151989), (532, 1844562), (564, 1739906), (589, 1666056), (633, 1550248), (651, 1507384), (658, 1491348), (744, 1318961), (798, 1229708), (844, 1162686), (868, 1130538), (893, 1098888), (987, 994232), (1064, 922281), (1128, 869953), (1178, 833028), (1266, 775124), (1302, 753692), (1316, 745674), (1457, 673512), (1477, 664392), (1596, 614854), (1688, 581343), (1736, 565269), (1767, 555352), (1786, 549444), (1974, 497116), (2356, 416514), (2532, 387562), (2604, 376846), (2632, 372837), (2679, 366296), (2914, 336756), (2954, 332196), (3192, 307427), (3534, 277676), (3572, 274722), (3948, 248558), (4009, 244776), (4123, 238008), (4371, 224504), (4431, 221464), (4712, 208257), (5064, 193781), (5208, 188423), (5358, 183148), (5828, 168378), (5908, 166098), (6251, 156984), (6541, 150024), (7068, 138838), (7144, 137361), (7896, 124279), (8018, 122388), (8246, 119004), (8742, 112252), (8862, 110732), (9917, 98952), (10199, 96216), (10716, 91574), (11656, 84189), (11816, 83049), (12027, 81592), (12369, 79336), (12502, 78492), (13082, 75012), (14136, 69419), (16036, 61194), (16492, 59502), (17484, 56126), (17724, 55366), (18753, 52328), (19623, 50008), (19834, 49476), (20398, 48108), (21432, 45787), (24054, 40796), (24738, 39668), (25004, 39246), (26164, 37506), (27683, 35448), (28063, 34968), (29751, 32984), (30597, 32072)]