1277876760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{647}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 3900441600

約数和(自身を除く): 2622564840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 151, 218, 302, 327, 436, 453, 545, 604, 647, 654, 755, 872, 906, 1090, 1208, 1294, 1308, 1510, 1635, 1812, 1941, 2180, 2265, 2588, 2616, 3020, 3235, 3270, 3624, 3882, 4360, 4530, 5176, 6040, 6470, 6540, 7764, 9060, 9705, 12940, 13080, 15528, 16459, 18120, 19410, 25880, 32918, 38820, 49377, 65836, 70523, 77640, 82295, 97697, 98754, 131672, 141046, 164590, 195394, 197508, 211569, 246885, 282092, 293091, 329180, 352615, 390788, 395016, 423138, 488485, 493770, 564184, 586182, 658360, 705230, 781576, 846276, 976970, 987540, 1057845, 1172364, 1410460, 1465455, 1692552, 1953940, 1975080, 2115690, 2344728, 2820920, 2930910, 3907880, 4231380, 5861820, 8462760, 10648973, 11723640, 21297946, 31946919, 42595892, 53244865, 63893838, 85191784, 106489730, 127787676, 159734595, 212979460, 255575352, 319469190, 425958920, 638938380, 1277876760]

約数ペア:

[(1, 1277876760), (2, 638938380), (3, 425958920), (4, 319469190), (5, 255575352), (6, 212979460), (8, 159734595), (10, 127787676), (12, 106489730), (15, 85191784), (20, 63893838), (24, 53244865), (30, 42595892), (40, 31946919), (60, 21297946), (109, 11723640), (120, 10648973), (151, 8462760), (218, 5861820), (302, 4231380), (327, 3907880), (436, 2930910), (453, 2820920), (545, 2344728), (604, 2115690), (647, 1975080), (654, 1953940), (755, 1692552), (872, 1465455), (906, 1410460), (1090, 1172364), (1208, 1057845), (1294, 987540), (1308, 976970), (1510, 846276), (1635, 781576), (1812, 705230), (1941, 658360), (2180, 586182), (2265, 564184), (2588, 493770), (2616, 488485), (3020, 423138), (3235, 395016), (3270, 390788), (3624, 352615), (3882, 329180), (4360, 293091), (4530, 282092), (5176, 246885), (6040, 211569), (6470, 197508), (6540, 195394), (7764, 164590), (9060, 141046), (9705, 131672), (12940, 98754), (13080, 97697), (15528, 82295), (16459, 77640), (18120, 70523), (19410, 65836), (25880, 49377), (32918, 38820)]