821495360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1427}}^1$

素因数の和:1708

約数の個数: 112

約数和(自身を含む): 2245912704

約数和(自身を除く): 1424417344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 257, 280, 320, 448, 514, 560, 1028, 1120, 1285, 1427, 1799, 2056, 2240, 2570, 2854, 3598, 4112, 5140, 5708, 7135, 7196, 8224, 8995, 9989, 10280, 11416, 14270, 14392, 16448, 17990, 19978, 20560, 22832, 28540, 28784, 35980, 39956, 41120, 45664, 49945, 57080, 57568, 71960, 79912, 82240, 91328, 99890, 114160, 115136, 143920, 159824, 199780, 228320, 287840, 319648, 366739, 399560, 456640, 575680, 639296, 733478, 799120, 1466956, 1598240, 1833695, 2567173, 2933912, 3196480, 3667390, 5134346, 5867824, 7334780, 10268692, 11735648, 12835865, 14669560, 20537384, 23471296, 25671730, 29339120, 41074768, 51343460, 58678240, 82149536, 102686920, 117356480, 164299072, 205373840, 410747680, 821495360]

約数ペア:

[(1, 821495360), (2, 410747680), (4, 205373840), (5, 164299072), (7, 117356480), (8, 102686920), (10, 82149536), (14, 58678240), (16, 51343460), (20, 41074768), (28, 29339120), (32, 25671730), (35, 23471296), (40, 20537384), (56, 14669560), (64, 12835865), (70, 11735648), (80, 10268692), (112, 7334780), (140, 5867824), (160, 5134346), (224, 3667390), (257, 3196480), (280, 2933912), (320, 2567173), (448, 1833695), (514, 1598240), (560, 1466956), (1028, 799120), (1120, 733478), (1285, 639296), (1427, 575680), (1799, 456640), (2056, 399560), (2240, 366739), (2570, 319648), (2854, 287840), (3598, 228320), (4112, 199780), (5140, 159824), (5708, 143920), (7135, 115136), (7196, 114160), (8224, 99890), (8995, 91328), (9989, 82240), (10280, 79912), (11416, 71960), (14270, 57568), (14392, 57080), (16448, 49945), (17990, 45664), (19978, 41120), (20560, 39956), (22832, 35980), (28540, 28784)]