209205840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16447}}^1$

素因数の和:16516

約数の個数: 80

約数和(自身を含む): 660814848

約数和(自身を除く): 451609008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2544, 3180, 4240, 6360, 12720, 16447, 32894, 49341, 65788, 82235, 98682, 131576, 164470, 197364, 246705, 263152, 328940, 394728, 493410, 657880, 789456, 871691, 986820, 1315760, 1743382, 1973640, 2615073, 3486764, 3947280, 4358455, 5230146, 6973528, 8716910, 10460292, 13075365, 13947056, 17433820, 20920584, 26150730, 34867640, 41841168, 52301460, 69735280, 104602920, 209205840]

約数ペア:

[(1, 209205840), (2, 104602920), (3, 69735280), (4, 52301460), (5, 41841168), (6, 34867640), (8, 26150730), (10, 20920584), (12, 17433820), (15, 13947056), (16, 13075365), (20, 10460292), (24, 8716910), (30, 6973528), (40, 5230146), (48, 4358455), (53, 3947280), (60, 3486764), (80, 2615073), (106, 1973640), (120, 1743382), (159, 1315760), (212, 986820), (240, 871691), (265, 789456), (318, 657880), (424, 493410), (530, 394728), (636, 328940), (795, 263152), (848, 246705), (1060, 197364), (1272, 164470), (1590, 131576), (2120, 98682), (2544, 82235), (3180, 65788), (4240, 49341), (6360, 32894), (12720, 16447)]