80415000

素因数分解:

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

素因数の和:1819

約数の個数: 120

約数和(自身を含む): 272303460

約数和(自身を除く): 191888460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1787, 1800, 1875, 2250, 2500, 3000, 3574, 3750, 4500, 5000, 5361, 5625, 7148, 7500, 8935, 9000, 10722, 11250, 14296, 15000, 16083, 17870, 21444, 22500, 26805, 32166, 35740, 42888, 44675, 45000, 53610, 64332, 71480, 80415, 89350, 107220, 128664, 134025, 160830, 178700, 214440, 223375, 268050, 321660, 357400, 402075, 446750, 536100, 643320, 670125, 804150, 893500, 1072200, 1116875, 1340250, 1608300, 1787000, 2010375, 2233750, 2680500, 3216600, 3350625, 4020750, 4467500, 5361000, 6701250, 8041500, 8935000, 10051875, 13402500, 16083000, 20103750, 26805000, 40207500, 80415000]

約数ペア:

[(1, 80415000), (2, 40207500), (3, 26805000), (4, 20103750), (5, 16083000), (6, 13402500), (8, 10051875), (9, 8935000), (10, 8041500), (12, 6701250), (15, 5361000), (18, 4467500), (20, 4020750), (24, 3350625), (25, 3216600), (30, 2680500), (36, 2233750), (40, 2010375), (45, 1787000), (50, 1608300), (60, 1340250), (72, 1116875), (75, 1072200), (90, 893500), (100, 804150), (120, 670125), (125, 643320), (150, 536100), (180, 446750), (200, 402075), (225, 357400), (250, 321660), (300, 268050), (360, 223375), (375, 214440), (450, 178700), (500, 160830), (600, 134025), (625, 128664), (750, 107220), (900, 89350), (1000, 80415), (1125, 71480), (1250, 64332), (1500, 53610), (1787, 45000), (1800, 44675), (1875, 42888), (2250, 35740), (2500, 32166), (3000, 26805), (3574, 22500), (3750, 21444), (4500, 17870), (5000, 16083), (5361, 15000), (5625, 14296), (7148, 11250), (7500, 10722), (8935, 9000)]