80278500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:622

約数の個数: 96

約数和(自身を含む): 236396160

約数和(自身を除く): 156117660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 109, 125, 150, 218, 250, 300, 327, 375, 436, 491, 500, 545, 654, 750, 982, 1090, 1308, 1473, 1500, 1635, 1964, 2180, 2455, 2725, 2946, 3270, 4910, 5450, 5892, 6540, 7365, 8175, 9820, 10900, 12275, 13625, 14730, 16350, 24550, 27250, 29460, 32700, 36825, 40875, 49100, 53519, 54500, 61375, 73650, 81750, 107038, 122750, 147300, 160557, 163500, 184125, 214076, 245500, 267595, 321114, 368250, 535190, 642228, 736500, 802785, 1070380, 1337975, 1605570, 2675950, 3211140, 4013925, 5351900, 6689875, 8027850, 13379750, 16055700, 20069625, 26759500, 40139250, 80278500]

約数ペア:

[(1, 80278500), (2, 40139250), (3, 26759500), (4, 20069625), (5, 16055700), (6, 13379750), (10, 8027850), (12, 6689875), (15, 5351900), (20, 4013925), (25, 3211140), (30, 2675950), (50, 1605570), (60, 1337975), (75, 1070380), (100, 802785), (109, 736500), (125, 642228), (150, 535190), (218, 368250), (250, 321114), (300, 267595), (327, 245500), (375, 214076), (436, 184125), (491, 163500), (500, 160557), (545, 147300), (654, 122750), (750, 107038), (982, 81750), (1090, 73650), (1308, 61375), (1473, 54500), (1500, 53519), (1635, 49100), (1964, 40875), (2180, 36825), (2455, 32700), (2725, 29460), (2946, 27250), (3270, 24550), (4910, 16350), (5450, 14730), (5892, 13625), (6540, 12275), (7365, 10900), (8175, 9820)]