278578560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11161}}^1$

素因数の和:11196

約数の個数: 128

約数和(自身を含む): 956360160

約数和(自身を除く): 677781600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 11161, 12480, 22322, 24960, 33483, 44644, 55805, 66966, 89288, 111610, 133932, 145093, 167415, 178576, 223220, 267864, 290186, 334830, 357152, 435279, 446440, 535728, 580372, 669660, 714304, 725465, 870558, 892880, 1071456, 1160744, 1339320, 1428608, 1450930, 1741116, 1785760, 2142912, 2176395, 2321488, 2678640, 2901860, 3482232, 3571520, 4285824, 4352790, 4642976, 5357280, 5803720, 6964464, 7143040, 8705580, 9285952, 10714560, 11607440, 13928928, 17411160, 18571904, 21429120, 23214880, 27857856, 34822320, 46429760, 55715712, 69644640, 92859520, 139289280, 278578560]

約数ペア:

[(1, 278578560), (2, 139289280), (3, 92859520), (4, 69644640), (5, 55715712), (6, 46429760), (8, 34822320), (10, 27857856), (12, 23214880), (13, 21429120), (15, 18571904), (16, 17411160), (20, 13928928), (24, 11607440), (26, 10714560), (30, 9285952), (32, 8705580), (39, 7143040), (40, 6964464), (48, 5803720), (52, 5357280), (60, 4642976), (64, 4352790), (65, 4285824), (78, 3571520), (80, 3482232), (96, 2901860), (104, 2678640), (120, 2321488), (128, 2176395), (130, 2142912), (156, 1785760), (160, 1741116), (192, 1450930), (195, 1428608), (208, 1339320), (240, 1160744), (260, 1071456), (312, 892880), (320, 870558), (384, 725465), (390, 714304), (416, 669660), (480, 580372), (520, 535728), (624, 446440), (640, 435279), (780, 357152), (832, 334830), (960, 290186), (1040, 267864), (1248, 223220), (1560, 178576), (1664, 167415), (1920, 145093), (2080, 133932), (2496, 111610), (3120, 89288), (4160, 66966), (4992, 55805), (6240, 44644), (8320, 33483), (11161, 24960), (12480, 22322)]