248141880

素因数分解:

$2^3\times 3^5\times 5^1\times 7^2\times {\mathrm{521}}^1$

素因数の和:561

約数の個数: 288

約数和(自身を含む): 974741040

約数和(自身を除く): 726599160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 243, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 486, 490, 504, 521, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 972, 980, 1042, 1080, 1134, 1176, 1215, 1260, 1323, 1470, 1512, 1563, 1620, 1701, 1764, 1890, 1944, 1960, 2084, 2205, 2268, 2430, 2520, 2605, 2646, 2835, 2940, 3126, 3240, 3402, 3528, 3647, 3780, 3969, 4168, 4410, 4536, 4689, 4860, 5210, 5292, 5670, 5880, 6252, 6615, 6804, 7294, 7560, 7815, 7938, 8505, 8820, 9378, 9720, 10420, 10584, 10941, 11340, 11907, 12504, 13230, 13608, 14067, 14588, 15630, 15876, 17010, 17640, 18235, 18756, 19845, 20840, 21882, 22680, 23445, 23814, 25529, 26460, 28134, 29176, 31260, 31752, 32823, 34020, 36470, 37512, 39690, 42201, 43764, 46890, 47628, 51058, 52920, 54705, 56268, 59535, 62520, 65646, 68040, 70335, 72940, 76587, 79380, 84402, 87528, 93780, 95256, 98469, 102116, 109410, 112536, 119070, 126603, 127645, 131292, 140670, 145880, 153174, 158760, 164115, 168804, 187560, 196938, 204232, 211005, 218820, 229761, 238140, 253206, 255290, 262584, 281340, 295407, 306348, 328230, 337608, 382935, 393876, 422010, 437640, 459522, 476280, 492345, 506412, 510580, 562680, 590814, 612696, 633015, 656460, 689283, 765870, 787752, 844020, 886221, 919044, 984690, 1012824, 1021160, 1148805, 1181628, 1266030, 1312920, 1378566, 1477035, 1531740, 1688040, 1772442, 1838088, 1969380, 2067849, 2297610, 2363256, 2532060, 2757132, 2954070, 3063480, 3446415, 3544884, 3938760, 4135698, 4431105, 4595220, 5064120, 5514264, 5908140, 6203547, 6892830, 7089768, 8271396, 8862210, 9190440, 10339245, 11816280, 12407094, 13785660, 16542792, 17724420, 20678490, 24814188, 27571320, 31017735, 35448840, 41356980, 49628376, 62035470, 82713960, 124070940, 248141880]

約数ペア:

[(1, 248141880), (2, 124070940), (3, 82713960), (4, 62035470), (5, 49628376), (6, 41356980), (7, 35448840), (8, 31017735), (9, 27571320), (10, 24814188), (12, 20678490), (14, 17724420), (15, 16542792), (18, 13785660), (20, 12407094), (21, 11816280), (24, 10339245), (27, 9190440), (28, 8862210), (30, 8271396), (35, 7089768), (36, 6892830), (40, 6203547), (42, 5908140), (45, 5514264), (49, 5064120), (54, 4595220), (56, 4431105), (60, 4135698), (63, 3938760), (70, 3544884), (72, 3446415), (81, 3063480), (84, 2954070), (90, 2757132), (98, 2532060), (105, 2363256), (108, 2297610), (120, 2067849), (126, 1969380), (135, 1838088), (140, 1772442), (147, 1688040), (162, 1531740), (168, 1477035), (180, 1378566), (189, 1312920), (196, 1266030), (210, 1181628), (216, 1148805), (243, 1021160), (245, 1012824), (252, 984690), (270, 919044), (280, 886221), (294, 844020), (315, 787752), (324, 765870), (360, 689283), (378, 656460), (392, 633015), (405, 612696), (420, 590814), (441, 562680), (486, 510580), (490, 506412), (504, 492345), (521, 476280), (540, 459522), (567, 437640), (588, 422010), (630, 393876), (648, 382935), (735, 337608), (756, 328230), (810, 306348), (840, 295407), (882, 281340), (945, 262584), (972, 255290), (980, 253206), (1042, 238140), (1080, 229761), (1134, 218820), (1176, 211005), (1215, 204232), (1260, 196938), (1323, 187560), (1470, 168804), (1512, 164115), (1563, 158760), (1620, 153174), (1701, 145880), (1764, 140670), (1890, 131292), (1944, 127645), (1960, 126603), (2084, 119070), (2205, 112536), (2268, 109410), (2430, 102116), (2520, 98469), (2605, 95256), (2646, 93780), (2835, 87528), (2940, 84402), (3126, 79380), (3240, 76587), (3402, 72940), (3528, 70335), (3647, 68040), (3780, 65646), (3969, 62520), (4168, 59535), (4410, 56268), (4536, 54705), (4689, 52920), (4860, 51058), (5210, 47628), (5292, 46890), (5670, 43764), (5880, 42201), (6252, 39690), (6615, 37512), (6804, 36470), (7294, 34020), (7560, 32823), (7815, 31752), (7938, 31260), (8505, 29176), (8820, 28134), (9378, 26460), (9720, 25529), (10420, 23814), (10584, 23445), (10941, 22680), (11340, 21882), (11907, 20840), (12504, 19845), (13230, 18756), (13608, 18235), (14067, 17640), (14588, 17010), (15630, 15876)]