317201920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:632

約数の個数: 160

約数和(自身を含む): 898799616

約数和(自身を除く): 581597696

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, 1085, 1120, 1142, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2284, 2480, 2560, 2855, 3472, 3584, 3968, 3997, 4340, 4480, 4568, 4960, 5710, 6944, 7936, 7994, 8680, 8960, 9136, 9920, 11420, 13888, 15872, 15988, 17360, 17701, 17920, 18272, 19840, 19985, 22840, 27776, 31976, 34720, 35402, 36544, 39680, 39970, 45680, 55552, 63952, 69440, 70804, 73088, 79360, 79940, 88505, 91360, 111104, 123907, 127904, 138880, 141608, 146176, 159880, 177010, 182720, 247814, 255808, 277760, 283216, 292352, 319760, 354020, 365440, 495628, 511616, 555520, 566432, 619535, 639520, 708040, 730880, 991256, 1023232, 1132864, 1239070, 1279040, 1416080, 1461760, 1982512, 2046464, 2265728, 2478140, 2558080, 2832160, 3965024, 4531456, 4956280, 5116160, 5664320, 7930048, 9062912, 9912560, 10232320, 11328640, 15860096, 19825120, 22657280, 31720192, 39650240, 45314560, 63440384, 79300480, 158600960, 317201920]

約数ペア:

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