251711280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{116533}}^1$

素因数の和:116555

約数の個数: 80

約数和(自身を含む): 867012960

約数和(自身を除く): 615301680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 116533, 233066, 349599, 466132, 582665, 699198, 932264, 1048797, 1165330, 1398396, 1747995, 1864528, 2097594, 2330660, 2796792, 3146391, 3495990, 4195188, 4661320, 5243985, 5593584, 6292782, 6991980, 8390376, 9322640, 10487970, 12585564, 13983960, 15731955, 16780752, 20975940, 25171128, 27967920, 31463910, 41951880, 50342256, 62927820, 83903760, 125855640, 251711280]

約数ペア:

[(1, 251711280), (2, 125855640), (3, 83903760), (4, 62927820), (5, 50342256), (6, 41951880), (8, 31463910), (9, 27967920), (10, 25171128), (12, 20975940), (15, 16780752), (16, 15731955), (18, 13983960), (20, 12585564), (24, 10487970), (27, 9322640), (30, 8390376), (36, 6991980), (40, 6292782), (45, 5593584), (48, 5243985), (54, 4661320), (60, 4195188), (72, 3495990), (80, 3146391), (90, 2796792), (108, 2330660), (120, 2097594), (135, 1864528), (144, 1747995), (180, 1398396), (216, 1165330), (240, 1048797), (270, 932264), (360, 699198), (432, 582665), (540, 466132), (720, 349599), (1080, 233066), (2160, 116533)]