1268807680

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:636

約数の個数: 192

約数和(自身を含む): 3597834240

約数和(自身を除く): 2329026560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 571, 620, 640, 868, 896, 992, 1024, 1085, 1120, 1142, 1240, 1280, 1736, 1792, 1984, 2048, 2170, 2240, 2284, 2480, 2560, 2855, 3472, 3584, 3968, 3997, 4340, 4480, 4568, 4960, 5120, 5710, 6944, 7168, 7936, 7994, 8680, 8960, 9136, 9920, 10240, 11420, 13888, 14336, 15872, 15988, 17360, 17701, 17920, 18272, 19840, 19985, 22840, 27776, 31744, 31976, 34720, 35402, 35840, 36544, 39680, 39970, 45680, 55552, 63488, 63952, 69440, 70804, 71680, 73088, 79360, 79940, 88505, 91360, 111104, 123907, 127904, 138880, 141608, 146176, 158720, 159880, 177010, 182720, 222208, 247814, 255808, 277760, 283216, 292352, 317440, 319760, 354020, 365440, 444416, 495628, 511616, 555520, 566432, 584704, 619535, 639520, 708040, 730880, 991256, 1023232, 1111040, 1132864, 1169408, 1239070, 1279040, 1416080, 1461760, 1982512, 2046464, 2222080, 2265728, 2478140, 2558080, 2832160, 2923520, 3965024, 4092928, 4531456, 4956280, 5116160, 5664320, 5847040, 7930048, 8185856, 9062912, 9912560, 10232320, 11328640, 15860096, 18125824, 19825120, 20464640, 22657280, 31720192, 36251648, 39650240, 40929280, 45314560, 63440384, 79300480, 90629120, 126880768, 158600960, 181258240, 253761536, 317201920, 634403840, 1268807680]

約数ペア:

[(1, 1268807680), (2, 634403840), (4, 317201920), (5, 253761536), (7, 181258240), (8, 158600960), (10, 126880768), (14, 90629120), (16, 79300480), (20, 63440384), (28, 45314560), (31, 40929280), (32, 39650240), (35, 36251648), (40, 31720192), (56, 22657280), (62, 20464640), (64, 19825120), (70, 18125824), (80, 15860096), (112, 11328640), (124, 10232320), (128, 9912560), (140, 9062912), (155, 8185856), (160, 7930048), (217, 5847040), (224, 5664320), (248, 5116160), (256, 4956280), (280, 4531456), (310, 4092928), (320, 3965024), (434, 2923520), (448, 2832160), (496, 2558080), (512, 2478140), (560, 2265728), (571, 2222080), (620, 2046464), (640, 1982512), (868, 1461760), (896, 1416080), (992, 1279040), (1024, 1239070), (1085, 1169408), (1120, 1132864), (1142, 1111040), (1240, 1023232), (1280, 991256), (1736, 730880), (1792, 708040), (1984, 639520), (2048, 619535), (2170, 584704), (2240, 566432), (2284, 555520), (2480, 511616), (2560, 495628), (2855, 444416), (3472, 365440), (3584, 354020), (3968, 319760), (3997, 317440), (4340, 292352), (4480, 283216), (4568, 277760), (4960, 255808), (5120, 247814), (5710, 222208), (6944, 182720), (7168, 177010), (7936, 159880), (7994, 158720), (8680, 146176), (8960, 141608), (9136, 138880), (9920, 127904), (10240, 123907), (11420, 111104), (13888, 91360), (14336, 88505), (15872, 79940), (15988, 79360), (17360, 73088), (17701, 71680), (17920, 70804), (18272, 69440), (19840, 63952), (19985, 63488), (22840, 55552), (27776, 45680), (31744, 39970), (31976, 39680), (34720, 36544), (35402, 35840)]