81683120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 200558592

約数和(自身を除く): 118875472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 103, 115, 184, 206, 230, 368, 412, 431, 460, 515, 824, 862, 920, 1030, 1648, 1724, 1840, 2060, 2155, 2369, 3448, 4120, 4310, 4738, 6896, 8240, 8620, 9476, 9913, 11845, 17240, 18952, 19826, 23690, 34480, 37904, 39652, 44393, 47380, 49565, 79304, 88786, 94760, 99130, 158608, 177572, 189520, 198260, 221965, 355144, 396520, 443930, 710288, 793040, 887860, 1021039, 1775720, 2042078, 3551440, 4084156, 5105195, 8168312, 10210390, 16336624, 20420780, 40841560, 81683120]

約数ペア:

[(1, 81683120), (2, 40841560), (4, 20420780), (5, 16336624), (8, 10210390), (10, 8168312), (16, 5105195), (20, 4084156), (23, 3551440), (40, 2042078), (46, 1775720), (80, 1021039), (92, 887860), (103, 793040), (115, 710288), (184, 443930), (206, 396520), (230, 355144), (368, 221965), (412, 198260), (431, 189520), (460, 177572), (515, 158608), (824, 99130), (862, 94760), (920, 88786), (1030, 79304), (1648, 49565), (1724, 47380), (1840, 44393), (2060, 39652), (2155, 37904), (2369, 34480), (3448, 23690), (4120, 19826), (4310, 18952), (4738, 17240), (6896, 11845), (8240, 9913), (8620, 9476)]