81384480

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{18839}}^1$

素因数の和:18863

約数の個数: 96

約数和(自身を含む): 284860800

約数和(自身を除く): 203476320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 18839, 37678, 56517, 75356, 94195, 113034, 150712, 169551, 188390, 226068, 282585, 301424, 339102, 376780, 452136, 508653, 565170, 602848, 678204, 753560, 847755, 904272, 1017306, 1130340, 1356408, 1507120, 1695510, 1808544, 2034612, 2260680, 2543265, 2712816, 3014240, 3391020, 4069224, 4521360, 5086530, 5425632, 6782040, 8138448, 9042720, 10173060, 13564080, 16276896, 20346120, 27128160, 40692240, 81384480]

約数ペア:

[(1, 81384480), (2, 40692240), (3, 27128160), (4, 20346120), (5, 16276896), (6, 13564080), (8, 10173060), (9, 9042720), (10, 8138448), (12, 6782040), (15, 5425632), (16, 5086530), (18, 4521360), (20, 4069224), (24, 3391020), (27, 3014240), (30, 2712816), (32, 2543265), (36, 2260680), (40, 2034612), (45, 1808544), (48, 1695510), (54, 1507120), (60, 1356408), (72, 1130340), (80, 1017306), (90, 904272), (96, 847755), (108, 753560), (120, 678204), (135, 602848), (144, 565170), (160, 508653), (180, 452136), (216, 376780), (240, 339102), (270, 301424), (288, 282585), (360, 226068), (432, 188390), (480, 169551), (540, 150712), (720, 113034), (864, 94195), (1080, 75356), (1440, 56517), (2160, 37678), (4320, 18839)]