7678920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 23328000

約数和(自身を除く): 15649080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 719, 890, 1068, 1335, 1438, 1780, 2136, 2157, 2670, 2876, 3560, 3595, 4314, 5340, 5752, 7190, 8628, 10680, 10785, 14380, 17256, 21570, 28760, 43140, 63991, 86280, 127982, 191973, 255964, 319955, 383946, 511928, 639910, 767892, 959865, 1279820, 1535784, 1919730, 2559640, 3839460, 7678920]

約数ペア:

[(1, 7678920), (2, 3839460), (3, 2559640), (4, 1919730), (5, 1535784), (6, 1279820), (8, 959865), (10, 767892), (12, 639910), (15, 511928), (20, 383946), (24, 319955), (30, 255964), (40, 191973), (60, 127982), (89, 86280), (120, 63991), (178, 43140), (267, 28760), (356, 21570), (445, 17256), (534, 14380), (712, 10785), (719, 10680), (890, 8628), (1068, 7190), (1335, 5752), (1438, 5340), (1780, 4314), (2136, 3595), (2157, 3560), (2670, 2876)]