78891840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:446

約数の個数: 224

約数和(自身を含む): 291144960

約数和(自身を除く): 212253120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 345, 360, 368, 397, 414, 432, 460, 480, 540, 552, 576, 621, 690, 720, 736, 794, 828, 864, 920, 960, 1035, 1080, 1104, 1191, 1242, 1380, 1440, 1472, 1588, 1656, 1728, 1840, 1985, 2070, 2160, 2208, 2382, 2484, 2760, 2880, 3105, 3176, 3312, 3573, 3680, 3970, 4140, 4320, 4416, 4764, 4968, 5520, 5955, 6210, 6352, 6624, 7146, 7360, 7940, 8280, 8640, 9131, 9528, 9936, 10719, 11040, 11910, 12420, 12704, 13248, 14292, 15880, 16560, 17865, 18262, 19056, 19872, 21438, 22080, 23820, 24840, 25408, 27393, 28584, 31760, 33120, 35730, 36524, 38112, 39744, 42876, 45655, 47640, 49680, 53595, 54786, 57168, 63520, 66240, 71460, 73048, 76224, 82179, 85752, 91310, 95280, 99360, 107190, 109572, 114336, 127040, 136965, 142920, 146096, 164358, 171504, 182620, 190560, 198720, 214380, 219144, 228672, 246537, 273930, 285840, 292192, 328716, 343008, 365240, 381120, 410895, 428760, 438288, 493074, 547860, 571680, 584384, 657432, 686016, 730480, 821790, 857520, 876576, 986148, 1095720, 1143360, 1232685, 1314864, 1460960, 1643580, 1715040, 1753152, 1972296, 2191440, 2465370, 2629728, 2921920, 3287160, 3430080, 3944592, 4382880, 4930740, 5259456, 6574320, 7889184, 8765760, 9861480, 13148640, 15778368, 19722960, 26297280, 39445920, 78891840]

約数ペア:

[(1, 78891840), (2, 39445920), (3, 26297280), (4, 19722960), (5, 15778368), (6, 13148640), (8, 9861480), (9, 8765760), (10, 7889184), (12, 6574320), (15, 5259456), (16, 4930740), (18, 4382880), (20, 3944592), (23, 3430080), (24, 3287160), (27, 2921920), (30, 2629728), (32, 2465370), (36, 2191440), (40, 1972296), (45, 1753152), (46, 1715040), (48, 1643580), (54, 1460960), (60, 1314864), (64, 1232685), (69, 1143360), (72, 1095720), (80, 986148), (90, 876576), (92, 857520), (96, 821790), (108, 730480), (115, 686016), (120, 657432), (135, 584384), (138, 571680), (144, 547860), (160, 493074), (180, 438288), (184, 428760), (192, 410895), (207, 381120), (216, 365240), (230, 343008), (240, 328716), (270, 292192), (276, 285840), (288, 273930), (320, 246537), (345, 228672), (360, 219144), (368, 214380), (397, 198720), (414, 190560), (432, 182620), (460, 171504), (480, 164358), (540, 146096), (552, 142920), (576, 136965), (621, 127040), (690, 114336), (720, 109572), (736, 107190), (794, 99360), (828, 95280), (864, 91310), (920, 85752), (960, 82179), (1035, 76224), (1080, 73048), (1104, 71460), (1191, 66240), (1242, 63520), (1380, 57168), (1440, 54786), (1472, 53595), (1588, 49680), (1656, 47640), (1728, 45655), (1840, 42876), (1985, 39744), (2070, 38112), (2160, 36524), (2208, 35730), (2382, 33120), (2484, 31760), (2760, 28584), (2880, 27393), (3105, 25408), (3176, 24840), (3312, 23820), (3573, 22080), (3680, 21438), (3970, 19872), (4140, 19056), (4320, 18262), (4416, 17865), (4764, 16560), (4968, 15880), (5520, 14292), (5955, 13248), (6210, 12704), (6352, 12420), (6624, 11910), (7146, 11040), (7360, 10719), (7940, 9936), (8280, 9528), (8640, 9131)]