18157500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{269}}^1$

素因数の和:302

約数の個数: 120

約数和(自身を含む): 59043600

約数和(自身を除く): 40886100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 250, 269, 270, 300, 375, 450, 500, 538, 540, 625, 675, 750, 807, 900, 1076, 1125, 1250, 1345, 1350, 1500, 1614, 1875, 2250, 2421, 2500, 2690, 2700, 3228, 3375, 3750, 4035, 4500, 4842, 5380, 5625, 6725, 6750, 7263, 7500, 8070, 9684, 11250, 12105, 13450, 13500, 14526, 16140, 16875, 20175, 22500, 24210, 26900, 29052, 33625, 33750, 36315, 40350, 48420, 60525, 67250, 67500, 72630, 80700, 100875, 121050, 134500, 145260, 168125, 181575, 201750, 242100, 302625, 336250, 363150, 403500, 504375, 605250, 672500, 726300, 907875, 1008750, 1210500, 1513125, 1815750, 2017500, 3026250, 3631500, 4539375, 6052500, 9078750, 18157500]

約数ペア:

[(1, 18157500), (2, 9078750), (3, 6052500), (4, 4539375), (5, 3631500), (6, 3026250), (9, 2017500), (10, 1815750), (12, 1513125), (15, 1210500), (18, 1008750), (20, 907875), (25, 726300), (27, 672500), (30, 605250), (36, 504375), (45, 403500), (50, 363150), (54, 336250), (60, 302625), (75, 242100), (90, 201750), (100, 181575), (108, 168125), (125, 145260), (135, 134500), (150, 121050), (180, 100875), (225, 80700), (250, 72630), (269, 67500), (270, 67250), (300, 60525), (375, 48420), (450, 40350), (500, 36315), (538, 33750), (540, 33625), (625, 29052), (675, 26900), (750, 24210), (807, 22500), (900, 20175), (1076, 16875), (1125, 16140), (1250, 14526), (1345, 13500), (1350, 13450), (1500, 12105), (1614, 11250), (1875, 9684), (2250, 8070), (2421, 7500), (2500, 7263), (2690, 6750), (2700, 6725), (3228, 5625), (3375, 5380), (3750, 4842), (4035, 4500)]