81411750

素因数分解:

$2^1\times 3^3\times 5^3\times 7^1\times {\mathrm{1723}}^1$

素因数の和:1756

約数の個数: 128

約数和(自身を含む): 258186240

約数和(自身を除く): 176774490

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 125, 126, 135, 150, 175, 189, 210, 225, 250, 270, 315, 350, 375, 378, 450, 525, 630, 675, 750, 875, 945, 1050, 1125, 1350, 1575, 1723, 1750, 1890, 2250, 2625, 3150, 3375, 3446, 4725, 5169, 5250, 6750, 7875, 8615, 9450, 10338, 12061, 15507, 15750, 17230, 23625, 24122, 25845, 31014, 36183, 43075, 46521, 47250, 51690, 60305, 72366, 77535, 86150, 93042, 108549, 120610, 129225, 155070, 180915, 215375, 217098, 232605, 258450, 301525, 325647, 361830, 387675, 430750, 465210, 542745, 603050, 646125, 651294, 775350, 904575, 1085490, 1163025, 1292250, 1507625, 1628235, 1809150, 1938375, 2326050, 2713725, 3015250, 3256470, 3876750, 4522875, 5427450, 5815125, 8141175, 9045750, 11630250, 13568625, 16282350, 27137250, 40705875, 81411750]

約数ペア:

[(1, 81411750), (2, 40705875), (3, 27137250), (5, 16282350), (6, 13568625), (7, 11630250), (9, 9045750), (10, 8141175), (14, 5815125), (15, 5427450), (18, 4522875), (21, 3876750), (25, 3256470), (27, 3015250), (30, 2713725), (35, 2326050), (42, 1938375), (45, 1809150), (50, 1628235), (54, 1507625), (63, 1292250), (70, 1163025), (75, 1085490), (90, 904575), (105, 775350), (125, 651294), (126, 646125), (135, 603050), (150, 542745), (175, 465210), (189, 430750), (210, 387675), (225, 361830), (250, 325647), (270, 301525), (315, 258450), (350, 232605), (375, 217098), (378, 215375), (450, 180915), (525, 155070), (630, 129225), (675, 120610), (750, 108549), (875, 93042), (945, 86150), (1050, 77535), (1125, 72366), (1350, 60305), (1575, 51690), (1723, 47250), (1750, 46521), (1890, 43075), (2250, 36183), (2625, 31014), (3150, 25845), (3375, 24122), (3446, 23625), (4725, 17230), (5169, 15750), (5250, 15507), (6750, 12061), (7875, 10338), (8615, 9450)]