81723360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1913}}^1$

素因数の和:2020

約数の個数: 96

約数和(自身を含む): 260457120

約数和(自身を除く): 178733760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 480, 534, 712, 890, 1068, 1335, 1424, 1780, 1913, 2136, 2670, 2848, 3560, 3826, 4272, 5340, 5739, 7120, 7652, 8544, 9565, 10680, 11478, 14240, 15304, 19130, 21360, 22956, 28695, 30608, 38260, 42720, 45912, 57390, 61216, 76520, 91824, 114780, 153040, 170257, 183648, 229560, 306080, 340514, 459120, 510771, 681028, 851285, 918240, 1021542, 1362056, 1702570, 2043084, 2553855, 2724112, 3405140, 4086168, 5107710, 5448224, 6810280, 8172336, 10215420, 13620560, 16344672, 20430840, 27241120, 40861680, 81723360]

約数ペア:

[(1, 81723360), (2, 40861680), (3, 27241120), (4, 20430840), (5, 16344672), (6, 13620560), (8, 10215420), (10, 8172336), (12, 6810280), (15, 5448224), (16, 5107710), (20, 4086168), (24, 3405140), (30, 2724112), (32, 2553855), (40, 2043084), (48, 1702570), (60, 1362056), (80, 1021542), (89, 918240), (96, 851285), (120, 681028), (160, 510771), (178, 459120), (240, 340514), (267, 306080), (356, 229560), (445, 183648), (480, 170257), (534, 153040), (712, 114780), (890, 91824), (1068, 76520), (1335, 61216), (1424, 57390), (1780, 45912), (1913, 42720), (2136, 38260), (2670, 30608), (2848, 28695), (3560, 22956), (3826, 21360), (4272, 19130), (5340, 15304), (5739, 14240), (7120, 11478), (7652, 10680), (8544, 9565)]