251421120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{87299}}^1$

素因数の和:87322

約数の個数: 84

約数和(自身を含む): 864793800

約数和(自身を除く): 613372680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 87299, 174598, 261897, 349196, 436495, 523794, 698392, 785691, 872990, 1047588, 1309485, 1396784, 1571382, 1745980, 2095176, 2618970, 2793568, 3142764, 3491960, 3928455, 4190352, 5237940, 5587136, 6285528, 6983920, 7856910, 8380704, 10475880, 12571056, 13967840, 15713820, 16761408, 20951760, 25142112, 27935680, 31427640, 41903520, 50284224, 62855280, 83807040, 125710560, 251421120]

約数ペア:

[(1, 251421120), (2, 125710560), (3, 83807040), (4, 62855280), (5, 50284224), (6, 41903520), (8, 31427640), (9, 27935680), (10, 25142112), (12, 20951760), (15, 16761408), (16, 15713820), (18, 13967840), (20, 12571056), (24, 10475880), (30, 8380704), (32, 7856910), (36, 6983920), (40, 6285528), (45, 5587136), (48, 5237940), (60, 4190352), (64, 3928455), (72, 3491960), (80, 3142764), (90, 2793568), (96, 2618970), (120, 2095176), (144, 1745980), (160, 1571382), (180, 1396784), (192, 1309485), (240, 1047588), (288, 872990), (320, 785691), (360, 698392), (480, 523794), (576, 436495), (720, 349196), (960, 261897), (1440, 174598), (2880, 87299)]