1993900160

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 256

約数和(自身を含む): 5757696000

約数和(自身を除く): 3763795840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 280, 293, 310, 320, 343, 392, 434, 448, 490, 496, 560, 586, 620, 640, 686, 784, 868, 896, 980, 992, 1085, 1120, 1172, 1240, 1372, 1465, 1519, 1568, 1715, 1736, 1960, 1984, 2051, 2170, 2240, 2344, 2480, 2744, 2930, 3038, 3136, 3430, 3472, 3920, 3968, 4102, 4340, 4480, 4688, 4960, 5488, 5860, 6076, 6272, 6860, 6944, 7595, 7840, 8204, 8680, 9083, 9376, 9920, 10255, 10633, 10976, 11720, 12152, 13720, 13888, 14357, 15190, 15680, 16408, 17360, 18166, 18752, 19840, 20510, 21266, 21952, 23440, 24304, 27440, 27776, 28714, 30380, 31360, 32816, 34720, 36332, 37504, 41020, 42532, 43904, 45415, 46880, 48608, 53165, 54880, 57428, 60760, 63581, 65632, 69440, 71785, 72664, 82040, 85064, 90830, 93760, 97216, 100499, 106330, 109760, 114856, 121520, 127162, 131264, 138880, 143570, 145328, 164080, 170128, 181660, 187520, 194432, 200998, 212660, 219520, 229712, 243040, 254324, 262528, 287140, 290656, 317905, 328160, 340256, 363320, 401996, 425320, 445067, 459424, 486080, 502495, 508648, 574280, 581312, 635810, 656320, 680512, 726640, 803992, 850640, 890134, 918848, 972160, 1004990, 1017296, 1148560, 1162624, 1271620, 1312640, 1361024, 1453280, 1607984, 1701280, 1780268, 1837696, 2009980, 2034592, 2225335, 2297120, 2543240, 2906560, 3115469, 3215968, 3402560, 3560536, 4019960, 4069184, 4450670, 4594240, 5086480, 5813120, 6230938, 6431936, 6805120, 7121072, 8039920, 8138368, 8901340, 9188480, 10172960, 12461876, 12863872, 14242144, 15577345, 16079840, 17802680, 20345920, 24923752, 28484288, 31154690, 32159680, 35605360, 40691840, 49847504, 56968576, 62309380, 64319360, 71210720, 99695008, 124618760, 142421440, 199390016, 249237520, 284842880, 398780032, 498475040, 996950080, 1993900160]

約数ペア:

[(1, 1993900160), (2, 996950080), (4, 498475040), (5, 398780032), (7, 284842880), (8, 249237520), (10, 199390016), (14, 142421440), (16, 124618760), (20, 99695008), (28, 71210720), (31, 64319360), (32, 62309380), (35, 56968576), (40, 49847504), (49, 40691840), (56, 35605360), (62, 32159680), (64, 31154690), (70, 28484288), (80, 24923752), (98, 20345920), (112, 17802680), (124, 16079840), (128, 15577345), (140, 14242144), (155, 12863872), (160, 12461876), (196, 10172960), (217, 9188480), (224, 8901340), (245, 8138368), (248, 8039920), (280, 7121072), (293, 6805120), (310, 6431936), (320, 6230938), (343, 5813120), (392, 5086480), (434, 4594240), (448, 4450670), (490, 4069184), (496, 4019960), (560, 3560536), (586, 3402560), (620, 3215968), (640, 3115469), (686, 2906560), (784, 2543240), (868, 2297120), (896, 2225335), (980, 2034592), (992, 2009980), (1085, 1837696), (1120, 1780268), (1172, 1701280), (1240, 1607984), (1372, 1453280), (1465, 1361024), (1519, 1312640), (1568, 1271620), (1715, 1162624), (1736, 1148560), (1960, 1017296), (1984, 1004990), (2051, 972160), (2170, 918848), (2240, 890134), (2344, 850640), (2480, 803992), (2744, 726640), (2930, 680512), (3038, 656320), (3136, 635810), (3430, 581312), (3472, 574280), (3920, 508648), (3968, 502495), (4102, 486080), (4340, 459424), (4480, 445067), (4688, 425320), (4960, 401996), (5488, 363320), (5860, 340256), (6076, 328160), (6272, 317905), (6860, 290656), (6944, 287140), (7595, 262528), (7840, 254324), (8204, 243040), (8680, 229712), (9083, 219520), (9376, 212660), (9920, 200998), (10255, 194432), (10633, 187520), (10976, 181660), (11720, 170128), (12152, 164080), (13720, 145328), (13888, 143570), (14357, 138880), (15190, 131264), (15680, 127162), (16408, 121520), (17360, 114856), (18166, 109760), (18752, 106330), (19840, 100499), (20510, 97216), (21266, 93760), (21952, 90830), (23440, 85064), (24304, 82040), (27440, 72664), (27776, 71785), (28714, 69440), (30380, 65632), (31360, 63581), (32816, 60760), (34720, 57428), (36332, 54880), (37504, 53165), (41020, 48608), (42532, 46880), (43904, 45415)]