279287680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2068

約数の個数: 128

約数和(自身を含む): 788060160

約数和(自身を除く): 508772480

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, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2011, 2170, 2240, 2480, 3472, 3968, 4022, 4340, 4480, 4960, 6944, 8044, 8680, 9920, 10055, 13888, 14077, 16088, 17360, 19840, 20110, 27776, 28154, 32176, 34720, 40220, 56308, 62341, 64352, 69440, 70385, 80440, 112616, 124682, 128704, 138880, 140770, 160880, 225232, 249364, 257408, 281540, 311705, 321760, 436387, 450464, 498728, 563080, 623410, 643520, 872774, 900928, 997456, 1126160, 1246820, 1287040, 1745548, 1801856, 1994912, 2181935, 2252320, 2493640, 3491096, 3989824, 4363870, 4504640, 4987280, 6982192, 7979648, 8727740, 9009280, 9974560, 13964384, 17455480, 19949120, 27928768, 34910960, 39898240, 55857536, 69821920, 139643840, 279287680]

約数ペア:

[(1, 279287680), (2, 139643840), (4, 69821920), (5, 55857536), (7, 39898240), (8, 34910960), (10, 27928768), (14, 19949120), (16, 17455480), (20, 13964384), (28, 9974560), (31, 9009280), (32, 8727740), (35, 7979648), (40, 6982192), (56, 4987280), (62, 4504640), (64, 4363870), (70, 3989824), (80, 3491096), (112, 2493640), (124, 2252320), (128, 2181935), (140, 1994912), (155, 1801856), (160, 1745548), (217, 1287040), (224, 1246820), (248, 1126160), (280, 997456), (310, 900928), (320, 872774), (434, 643520), (448, 623410), (496, 563080), (560, 498728), (620, 450464), (640, 436387), (868, 321760), (896, 311705), (992, 281540), (1085, 257408), (1120, 249364), (1240, 225232), (1736, 160880), (1984, 140770), (2011, 138880), (2170, 128704), (2240, 124682), (2480, 112616), (3472, 80440), (3968, 70385), (4022, 69440), (4340, 64352), (4480, 62341), (4960, 56308), (6944, 40220), (8044, 34720), (8680, 32176), (9920, 28154), (10055, 27776), (13888, 20110), (14077, 19840), (16088, 17360)]