398739360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 192

約数和(自身を含む): 1312948224

約数和(自身を除く): 914208864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 127, 155, 160, 186, 211, 240, 248, 254, 310, 372, 381, 422, 465, 480, 496, 508, 620, 633, 635, 744, 762, 844, 930, 992, 1016, 1055, 1240, 1266, 1270, 1488, 1524, 1688, 1860, 1905, 2032, 2110, 2480, 2532, 2540, 2976, 3048, 3165, 3376, 3720, 3810, 3937, 4064, 4220, 4960, 5064, 5080, 6096, 6330, 6541, 6752, 7440, 7620, 7874, 8440, 10128, 10160, 11811, 12192, 12660, 13082, 14880, 15240, 15748, 16880, 19623, 19685, 20256, 20320, 23622, 25320, 26164, 26797, 30480, 31496, 32705, 33760, 39246, 39370, 47244, 50640, 52328, 53594, 59055, 60960, 62992, 65410, 78492, 78740, 80391, 94488, 98115, 101280, 104656, 107188, 118110, 125984, 130820, 133985, 156984, 157480, 160782, 188976, 196230, 209312, 214376, 236220, 261640, 267970, 313968, 314960, 321564, 377952, 392460, 401955, 428752, 472440, 523280, 535940, 627936, 629920, 643128, 784920, 803910, 830707, 857504, 944880, 1046560, 1071880, 1286256, 1569840, 1607820, 1661414, 1889760, 2143760, 2492121, 2572512, 3139680, 3215640, 3322828, 4153535, 4287520, 4984242, 6431280, 6645656, 8307070, 9968484, 12460605, 12862560, 13291312, 16614140, 19936968, 24921210, 26582624, 33228280, 39873936, 49842420, 66456560, 79747872, 99684840, 132913120, 199369680, 398739360]

約数ペア:

[(1, 398739360), (2, 199369680), (3, 132913120), (4, 99684840), (5, 79747872), (6, 66456560), (8, 49842420), (10, 39873936), (12, 33228280), (15, 26582624), (16, 24921210), (20, 19936968), (24, 16614140), (30, 13291312), (31, 12862560), (32, 12460605), (40, 9968484), (48, 8307070), (60, 6645656), (62, 6431280), (80, 4984242), (93, 4287520), (96, 4153535), (120, 3322828), (124, 3215640), (127, 3139680), (155, 2572512), (160, 2492121), (186, 2143760), (211, 1889760), (240, 1661414), (248, 1607820), (254, 1569840), (310, 1286256), (372, 1071880), (381, 1046560), (422, 944880), (465, 857504), (480, 830707), (496, 803910), (508, 784920), (620, 643128), (633, 629920), (635, 627936), (744, 535940), (762, 523280), (844, 472440), (930, 428752), (992, 401955), (1016, 392460), (1055, 377952), (1240, 321564), (1266, 314960), (1270, 313968), (1488, 267970), (1524, 261640), (1688, 236220), (1860, 214376), (1905, 209312), (2032, 196230), (2110, 188976), (2480, 160782), (2532, 157480), (2540, 156984), (2976, 133985), (3048, 130820), (3165, 125984), (3376, 118110), (3720, 107188), (3810, 104656), (3937, 101280), (4064, 98115), (4220, 94488), (4960, 80391), (5064, 78740), (5080, 78492), (6096, 65410), (6330, 62992), (6541, 60960), (6752, 59055), (7440, 53594), (7620, 52328), (7874, 50640), (8440, 47244), (10128, 39370), (10160, 39246), (11811, 33760), (12192, 32705), (12660, 31496), (13082, 30480), (14880, 26797), (15240, 26164), (15748, 25320), (16880, 23622), (19623, 20320), (19685, 20256)]