80021250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{2371}}^1$

素因数の和:2402

約数の個数: 80

約数和(自身を含む): 222303840

約数和(自身を除く): 142282590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 450, 625, 675, 750, 1125, 1250, 1350, 1875, 2250, 2371, 3375, 3750, 4742, 5625, 6750, 7113, 11250, 11855, 14226, 16875, 21339, 23710, 33750, 35565, 42678, 59275, 64017, 71130, 106695, 118550, 128034, 177825, 213390, 296375, 320085, 355650, 533475, 592750, 640170, 889125, 1066950, 1481875, 1600425, 1778250, 2667375, 2963750, 3200850, 4445625, 5334750, 8002125, 8891250, 13336875, 16004250, 26673750, 40010625, 80021250]

約数ペア:

[(1, 80021250), (2, 40010625), (3, 26673750), (5, 16004250), (6, 13336875), (9, 8891250), (10, 8002125), (15, 5334750), (18, 4445625), (25, 3200850), (27, 2963750), (30, 2667375), (45, 1778250), (50, 1600425), (54, 1481875), (75, 1066950), (90, 889125), (125, 640170), (135, 592750), (150, 533475), (225, 355650), (250, 320085), (270, 296375), (375, 213390), (450, 177825), (625, 128034), (675, 118550), (750, 106695), (1125, 71130), (1250, 64017), (1350, 59275), (1875, 42678), (2250, 35565), (2371, 33750), (3375, 23710), (3750, 21339), (4742, 16875), (5625, 14226), (6750, 11855), (7113, 11250)]