84727760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 213642576

約数和(自身を除く): 128914816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 257, 260, 317, 514, 520, 634, 1028, 1040, 1268, 1285, 1585, 2056, 2536, 2570, 3170, 3341, 4112, 4121, 5072, 5140, 6340, 6682, 8242, 10280, 12680, 13364, 16484, 16705, 20560, 20605, 25360, 26728, 32968, 33410, 41210, 53456, 65936, 66820, 81469, 82420, 133640, 162938, 164840, 267280, 325876, 329680, 407345, 651752, 814690, 1059097, 1303504, 1629380, 2118194, 3258760, 4236388, 5295485, 6517520, 8472776, 10590970, 16945552, 21181940, 42363880, 84727760]

約数ペア:

[(1, 84727760), (2, 42363880), (4, 21181940), (5, 16945552), (8, 10590970), (10, 8472776), (13, 6517520), (16, 5295485), (20, 4236388), (26, 3258760), (40, 2118194), (52, 1629380), (65, 1303504), (80, 1059097), (104, 814690), (130, 651752), (208, 407345), (257, 329680), (260, 325876), (317, 267280), (514, 164840), (520, 162938), (634, 133640), (1028, 82420), (1040, 81469), (1268, 66820), (1285, 65936), (1585, 53456), (2056, 41210), (2536, 33410), (2570, 32968), (3170, 26728), (3341, 25360), (4112, 20605), (4121, 20560), (5072, 16705), (5140, 16484), (6340, 13364), (6682, 12680), (8242, 10280)]