1275706880

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:564

約数の個数: 160

約数和(自身を含む): 3521935296

約数和(自身を除く): 2246228416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 257, 277, 280, 320, 448, 512, 514, 554, 560, 640, 896, 1028, 1108, 1120, 1280, 1285, 1385, 1792, 1799, 1939, 2056, 2216, 2240, 2560, 2570, 2770, 3584, 3598, 3878, 4112, 4432, 4480, 5140, 5540, 7196, 7756, 8224, 8864, 8960, 8995, 9695, 10280, 11080, 14392, 15512, 16448, 17728, 17920, 17990, 19390, 20560, 22160, 28784, 31024, 32896, 35456, 35980, 38780, 41120, 44320, 57568, 62048, 65792, 70912, 71189, 71960, 77560, 82240, 88640, 115136, 124096, 131584, 141824, 142378, 143920, 155120, 164480, 177280, 230272, 248192, 284756, 287840, 310240, 328960, 354560, 355945, 460544, 496384, 498323, 569512, 575680, 620480, 657920, 709120, 711890, 921088, 992768, 996646, 1139024, 1151360, 1240960, 1423780, 1993292, 2278048, 2302720, 2481920, 2491615, 2847560, 3986584, 4556096, 4605440, 4963840, 4983230, 5695120, 7973168, 9112192, 9966460, 11390240, 15946336, 18224384, 19932920, 22780480, 31892672, 36448768, 39865840, 45560960, 63785344, 79731680, 91121920, 127570688, 159463360, 182243840, 255141376, 318926720, 637853440, 1275706880]

約数ペア:

[(1, 1275706880), (2, 637853440), (4, 318926720), (5, 255141376), (7, 182243840), (8, 159463360), (10, 127570688), (14, 91121920), (16, 79731680), (20, 63785344), (28, 45560960), (32, 39865840), (35, 36448768), (40, 31892672), (56, 22780480), (64, 19932920), (70, 18224384), (80, 15946336), (112, 11390240), (128, 9966460), (140, 9112192), (160, 7973168), (224, 5695120), (256, 4983230), (257, 4963840), (277, 4605440), (280, 4556096), (320, 3986584), (448, 2847560), (512, 2491615), (514, 2481920), (554, 2302720), (560, 2278048), (640, 1993292), (896, 1423780), (1028, 1240960), (1108, 1151360), (1120, 1139024), (1280, 996646), (1285, 992768), (1385, 921088), (1792, 711890), (1799, 709120), (1939, 657920), (2056, 620480), (2216, 575680), (2240, 569512), (2560, 498323), (2570, 496384), (2770, 460544), (3584, 355945), (3598, 354560), (3878, 328960), (4112, 310240), (4432, 287840), (4480, 284756), (5140, 248192), (5540, 230272), (7196, 177280), (7756, 164480), (8224, 155120), (8864, 143920), (8960, 142378), (8995, 141824), (9695, 131584), (10280, 124096), (11080, 115136), (14392, 88640), (15512, 82240), (16448, 77560), (17728, 71960), (17920, 71189), (17990, 70912), (19390, 65792), (20560, 62048), (22160, 57568), (28784, 44320), (31024, 41120), (32896, 38780), (35456, 35980)]