320800920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{243031}}^1$

素因数の和:243056

約数の個数: 64

約数和(自身を含む): 1049898240

約数和(自身を除く): 729097320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 243031, 486062, 729093, 972124, 1215155, 1458186, 1944248, 2430310, 2673341, 2916372, 3645465, 4860620, 5346682, 5832744, 7290930, 8020023, 9721240, 10693364, 13366705, 14581860, 16040046, 21386728, 26733410, 29163720, 32080092, 40100115, 53466820, 64160184, 80200230, 106933640, 160400460, 320800920]

約数ペア:

[(1, 320800920), (2, 160400460), (3, 106933640), (4, 80200230), (5, 64160184), (6, 53466820), (8, 40100115), (10, 32080092), (11, 29163720), (12, 26733410), (15, 21386728), (20, 16040046), (22, 14581860), (24, 13366705), (30, 10693364), (33, 9721240), (40, 8020023), (44, 7290930), (55, 5832744), (60, 5346682), (66, 4860620), (88, 3645465), (110, 2916372), (120, 2673341), (132, 2430310), (165, 1944248), (220, 1458186), (264, 1215155), (330, 972124), (440, 729093), (660, 486062), (1320, 243031)]