69671680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 185431680

約数和(自身を除く): 115760000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 79, 80, 104, 106, 128, 130, 158, 160, 208, 212, 256, 260, 265, 316, 320, 395, 416, 424, 520, 530, 632, 640, 689, 790, 832, 848, 1027, 1040, 1060, 1264, 1280, 1378, 1580, 1664, 1696, 2054, 2080, 2120, 2528, 2756, 3160, 3328, 3392, 3445, 4108, 4160, 4187, 4240, 5056, 5135, 5512, 6320, 6784, 6890, 8216, 8320, 8374, 8480, 10112, 10270, 11024, 12640, 13568, 13780, 16432, 16640, 16748, 16960, 20224, 20540, 20935, 22048, 25280, 27560, 32864, 33496, 33920, 41080, 41870, 44096, 50560, 54431, 55120, 65728, 66992, 67840, 82160, 83740, 88192, 101120, 108862, 110240, 131456, 133984, 164320, 167480, 176384, 217724, 220480, 262912, 267968, 272155, 328640, 334960, 435448, 440960, 535936, 544310, 657280, 669920, 870896, 881920, 1071872, 1088620, 1314560, 1339840, 1741792, 2177240, 2679680, 3483584, 4354480, 5359360, 6967168, 8708960, 13934336, 17417920, 34835840, 69671680]

約数ペア:

[(1, 69671680), (2, 34835840), (4, 17417920), (5, 13934336), (8, 8708960), (10, 6967168), (13, 5359360), (16, 4354480), (20, 3483584), (26, 2679680), (32, 2177240), (40, 1741792), (52, 1339840), (53, 1314560), (64, 1088620), (65, 1071872), (79, 881920), (80, 870896), (104, 669920), (106, 657280), (128, 544310), (130, 535936), (158, 440960), (160, 435448), (208, 334960), (212, 328640), (256, 272155), (260, 267968), (265, 262912), (316, 220480), (320, 217724), (395, 176384), (416, 167480), (424, 164320), (520, 133984), (530, 131456), (632, 110240), (640, 108862), (689, 101120), (790, 88192), (832, 83740), (848, 82160), (1027, 67840), (1040, 66992), (1060, 65728), (1264, 55120), (1280, 54431), (1378, 50560), (1580, 44096), (1664, 41870), (1696, 41080), (2054, 33920), (2080, 33496), (2120, 32864), (2528, 27560), (2756, 25280), (3160, 22048), (3328, 20935), (3392, 20540), (3445, 20224), (4108, 16960), (4160, 16748), (4187, 16640), (4240, 16432), (5056, 13780), (5135, 13568), (5512, 12640), (6320, 11024), (6784, 10270), (6890, 10112), (8216, 8480), (8320, 8374)]