40207500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{1787}}^1$

素因数の和:1817

約数の個数: 90

約数和(自身を含む): 127074948

約数和(自身を除く): 86867448

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1787, 1875, 2250, 2500, 3574, 3750, 4500, 5361, 5625, 7148, 7500, 8935, 10722, 11250, 16083, 17870, 21444, 22500, 26805, 32166, 35740, 44675, 53610, 64332, 80415, 89350, 107220, 134025, 160830, 178700, 223375, 268050, 321660, 402075, 446750, 536100, 670125, 804150, 893500, 1116875, 1340250, 1608300, 2010375, 2233750, 2680500, 3350625, 4020750, 4467500, 6701250, 8041500, 10051875, 13402500, 20103750, 40207500]

約数ペア:

[(1, 40207500), (2, 20103750), (3, 13402500), (4, 10051875), (5, 8041500), (6, 6701250), (9, 4467500), (10, 4020750), (12, 3350625), (15, 2680500), (18, 2233750), (20, 2010375), (25, 1608300), (30, 1340250), (36, 1116875), (45, 893500), (50, 804150), (60, 670125), (75, 536100), (90, 446750), (100, 402075), (125, 321660), (150, 268050), (180, 223375), (225, 178700), (250, 160830), (300, 134025), (375, 107220), (450, 89350), (500, 80415), (625, 64332), (750, 53610), (900, 44675), (1125, 35740), (1250, 32166), (1500, 26805), (1787, 22500), (1875, 21444), (2250, 17870), (2500, 16083), (3574, 11250), (3750, 10722), (4500, 8935), (5361, 7500), (5625, 7148)]