80929980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5417}}^1$

素因数の和:5515

約数の個数: 72

約数和(自身を含む): 248491152

約数和(自身を除く): 167561172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 5417, 7470, 10834, 14940, 16251, 21668, 27085, 32502, 48753, 54170, 65004, 81255, 97506, 108340, 162510, 195012, 243765, 325020, 449611, 487530, 899222, 975060, 1348833, 1798444, 2248055, 2697666, 4046499, 4496110, 5395332, 6744165, 8092998, 8992220, 13488330, 16185996, 20232495, 26976660, 40464990, 80929980]

約数ペア:

[(1, 80929980), (2, 40464990), (3, 26976660), (4, 20232495), (5, 16185996), (6, 13488330), (9, 8992220), (10, 8092998), (12, 6744165), (15, 5395332), (18, 4496110), (20, 4046499), (30, 2697666), (36, 2248055), (45, 1798444), (60, 1348833), (83, 975060), (90, 899222), (166, 487530), (180, 449611), (249, 325020), (332, 243765), (415, 195012), (498, 162510), (747, 108340), (830, 97506), (996, 81255), (1245, 65004), (1494, 54170), (1660, 48753), (2490, 32502), (2988, 27085), (3735, 21668), (4980, 16251), (5417, 14940), (7470, 10834)]