644218272

素因数分解:

$2^5\times 3^5\times {\mathrm{82847}}^1$

素因数の和:82872

約数の個数: 72

約数和(自身を含む): 1899870336

約数和(自身を除く): 1255652064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 324, 432, 486, 648, 864, 972, 1296, 1944, 2592, 3888, 7776, 82847, 165694, 248541, 331388, 497082, 662776, 745623, 994164, 1325552, 1491246, 1988328, 2236869, 2651104, 2982492, 3976656, 4473738, 5964984, 6710607, 7953312, 8947476, 11929968, 13421214, 17894952, 20131821, 23859936, 26842428, 35789904, 40263642, 53684856, 71579808, 80527284, 107369712, 161054568, 214739424, 322109136, 644218272]

約数ペア:

[(1, 644218272), (2, 322109136), (3, 214739424), (4, 161054568), (6, 107369712), (8, 80527284), (9, 71579808), (12, 53684856), (16, 40263642), (18, 35789904), (24, 26842428), (27, 23859936), (32, 20131821), (36, 17894952), (48, 13421214), (54, 11929968), (72, 8947476), (81, 7953312), (96, 6710607), (108, 5964984), (144, 4473738), (162, 3976656), (216, 2982492), (243, 2651104), (288, 2236869), (324, 1988328), (432, 1491246), (486, 1325552), (648, 994164), (864, 745623), (972, 662776), (1296, 497082), (1944, 331388), (2592, 248541), (3888, 165694), (7776, 82847)]