19491411840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{64661}}^1$

素因数の和:64840

約数の個数: 128

約数和(自身を含む): 62525567520

約数和(自身を除く): 43034155680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 192, 240, 314, 320, 384, 471, 480, 628, 640, 785, 942, 960, 1256, 1570, 1884, 1920, 2355, 2512, 3140, 3768, 4710, 5024, 6280, 7536, 9420, 10048, 12560, 15072, 18840, 20096, 25120, 30144, 37680, 50240, 60288, 64661, 75360, 100480, 129322, 150720, 193983, 258644, 301440, 323305, 387966, 517288, 646610, 775932, 969915, 1034576, 1293220, 1551864, 1939830, 2069152, 2586440, 3103728, 3879660, 4138304, 5172880, 6207456, 7759320, 8276608, 10151777, 10345760, 12414912, 15518640, 20303554, 20691520, 24829824, 30455331, 31037280, 40607108, 41383040, 50758885, 60910662, 62074560, 81214216, 101517770, 121821324, 124149120, 152276655, 162428432, 203035540, 243642648, 304553310, 324856864, 406071080, 487285296, 609106620, 649713728, 812142160, 974570592, 1218213240, 1299427456, 1624284320, 1949141184, 2436426480, 3248568640, 3898282368, 4872852960, 6497137280, 9745705920, 19491411840]

約数ペア:

[(1, 19491411840), (2, 9745705920), (3, 6497137280), (4, 4872852960), (5, 3898282368), (6, 3248568640), (8, 2436426480), (10, 1949141184), (12, 1624284320), (15, 1299427456), (16, 1218213240), (20, 974570592), (24, 812142160), (30, 649713728), (32, 609106620), (40, 487285296), (48, 406071080), (60, 324856864), (64, 304553310), (80, 243642648), (96, 203035540), (120, 162428432), (128, 152276655), (157, 124149120), (160, 121821324), (192, 101517770), (240, 81214216), (314, 62074560), (320, 60910662), (384, 50758885), (471, 41383040), (480, 40607108), (628, 31037280), (640, 30455331), (785, 24829824), (942, 20691520), (960, 20303554), (1256, 15518640), (1570, 12414912), (1884, 10345760), (1920, 10151777), (2355, 8276608), (2512, 7759320), (3140, 6207456), (3768, 5172880), (4710, 4138304), (5024, 3879660), (6280, 3103728), (7536, 2586440), (9420, 2069152), (10048, 1939830), (12560, 1551864), (15072, 1293220), (18840, 1034576), (20096, 969915), (25120, 775932), (30144, 646610), (37680, 517288), (50240, 387966), (60288, 323305), (64661, 301440), (75360, 258644), (100480, 193983), (129322, 150720)]