1687669760

素因数分解:

$2^{10}\times 5^1\times 7^3\times {\mathrm{31}}^2$

素因数の和:108

約数の個数: 264

約数和(自身を含む): 4878410400

約数和(自身を除く): 3190740640

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, 256, 280, 310, 320, 343, 392, 434, 448, 490, 496, 512, 560, 620, 640, 686, 784, 868, 896, 961, 980, 992, 1024, 1085, 1120, 1240, 1280, 1372, 1519, 1568, 1715, 1736, 1792, 1922, 1960, 1984, 2170, 2240, 2480, 2560, 2744, 3038, 3136, 3430, 3472, 3584, 3844, 3920, 3968, 4340, 4480, 4805, 4960, 5120, 5488, 6076, 6272, 6727, 6860, 6944, 7168, 7595, 7688, 7840, 7936, 8680, 8960, 9610, 9920, 10633, 10976, 12152, 12544, 13454, 13720, 13888, 15190, 15376, 15680, 15872, 17360, 17920, 19220, 19840, 21266, 21952, 24304, 25088, 26908, 27440, 27776, 30380, 30752, 31360, 31744, 33635, 34720, 35840, 38440, 39680, 42532, 43904, 47089, 48608, 50176, 53165, 53816, 54880, 55552, 60760, 61504, 62720, 67270, 69440, 76880, 79360, 85064, 87808, 94178, 97216, 106330, 107632, 109760, 111104, 121520, 123008, 125440, 134540, 138880, 153760, 158720, 170128, 175616, 188356, 194432, 212660, 215264, 219520, 222208, 235445, 243040, 246016, 250880, 269080, 277760, 307520, 329623, 340256, 351232, 376712, 388864, 425320, 430528, 439040, 470890, 486080, 492032, 538160, 555520, 615040, 659246, 680512, 753424, 777728, 850640, 861056, 878080, 941780, 972160, 984064, 1076320, 1111040, 1230080, 1318492, 1361024, 1506848, 1555456, 1648115, 1701280, 1722112, 1756160, 1883560, 1944320, 2152640, 2460160, 2636984, 2722048, 3013696, 3296230, 3402560, 3444224, 3767120, 3888640, 4305280, 4920320, 5273968, 5444096, 6027392, 6592460, 6805120, 6888448, 7534240, 7777280, 8610560, 10547936, 10888192, 12054784, 13184920, 13610240, 15068480, 17221120, 21095872, 24109568, 26369840, 27220480, 30136960, 34442240, 42191744, 48219136, 52739680, 54440960, 60273920, 84383488, 105479360, 120547840, 168766976, 210958720, 241095680, 337533952, 421917440, 843834880, 1687669760]

約数ペア:

[(1, 1687669760), (2, 843834880), (4, 421917440), (5, 337533952), (7, 241095680), (8, 210958720), (10, 168766976), (14, 120547840), (16, 105479360), (20, 84383488), (28, 60273920), (31, 54440960), (32, 52739680), (35, 48219136), (40, 42191744), (49, 34442240), (56, 30136960), (62, 27220480), (64, 26369840), (70, 24109568), (80, 21095872), (98, 17221120), (112, 15068480), (124, 13610240), (128, 13184920), (140, 12054784), (155, 10888192), (160, 10547936), (196, 8610560), (217, 7777280), (224, 7534240), (245, 6888448), (248, 6805120), (256, 6592460), (280, 6027392), (310, 5444096), (320, 5273968), (343, 4920320), (392, 4305280), (434, 3888640), (448, 3767120), (490, 3444224), (496, 3402560), (512, 3296230), (560, 3013696), (620, 2722048), (640, 2636984), (686, 2460160), (784, 2152640), (868, 1944320), (896, 1883560), (961, 1756160), (980, 1722112), (992, 1701280), (1024, 1648115), (1085, 1555456), (1120, 1506848), (1240, 1361024), (1280, 1318492), (1372, 1230080), (1519, 1111040), (1568, 1076320), (1715, 984064), (1736, 972160), (1792, 941780), (1922, 878080), (1960, 861056), (1984, 850640), (2170, 777728), (2240, 753424), (2480, 680512), (2560, 659246), (2744, 615040), (3038, 555520), (3136, 538160), (3430, 492032), (3472, 486080), (3584, 470890), (3844, 439040), (3920, 430528), (3968, 425320), (4340, 388864), (4480, 376712), (4805, 351232), (4960, 340256), (5120, 329623), (5488, 307520), (6076, 277760), (6272, 269080), (6727, 250880), (6860, 246016), (6944, 243040), (7168, 235445), (7595, 222208), (7688, 219520), (7840, 215264), (7936, 212660), (8680, 194432), (8960, 188356), (9610, 175616), (9920, 170128), (10633, 158720), (10976, 153760), (12152, 138880), (12544, 134540), (13454, 125440), (13720, 123008), (13888, 121520), (15190, 111104), (15376, 109760), (15680, 107632), (15872, 106330), (17360, 97216), (17920, 94178), (19220, 87808), (19840, 85064), (21266, 79360), (21952, 76880), (24304, 69440), (25088, 67270), (26908, 62720), (27440, 61504), (27776, 60760), (30380, 55552), (30752, 54880), (31360, 53816), (31744, 53165), (33635, 50176), (34720, 48608), (35840, 47089), (38440, 43904), (39680, 42532)]