80211708

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{6691}}^1$

素因数の和:6744

約数の個数: 60

約数和(自身を含む): 215388712

約数和(自身を除く): 135177004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 324, 333, 444, 666, 999, 1332, 1998, 2997, 3996, 5994, 6691, 11988, 13382, 20073, 26764, 40146, 60219, 80292, 120438, 180657, 240876, 247567, 361314, 495134, 541971, 722628, 742701, 990268, 1083942, 1485402, 2167884, 2228103, 2970804, 4456206, 6684309, 8912412, 13368618, 20052927, 26737236, 40105854, 80211708]

約数ペア:

[(1, 80211708), (2, 40105854), (3, 26737236), (4, 20052927), (6, 13368618), (9, 8912412), (12, 6684309), (18, 4456206), (27, 2970804), (36, 2228103), (37, 2167884), (54, 1485402), (74, 1083942), (81, 990268), (108, 742701), (111, 722628), (148, 541971), (162, 495134), (222, 361314), (324, 247567), (333, 240876), (444, 180657), (666, 120438), (999, 80292), (1332, 60219), (1998, 40146), (2997, 26764), (3996, 20073), (5994, 13382), (6691, 11988)]