1781890560

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{77339}}^1$

素因数の和:77368

約数の個数: 120

約数和(自身を含む): 6171267960

約数和(自身を除く): 4389377400

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, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 77339, 154678, 232017, 309356, 386695, 464034, 618712, 696051, 773390, 928068, 1160085, 1237424, 1392102, 1546780, 1856136, 2320170, 2474848, 2784204, 3093560, 3480255, 3712272, 4640340, 4949696, 5568408, 6187120, 6960510, 7424544, 9280680, 9899392, 11136816, 12374240, 13921020, 14849088, 18561360, 19798784, 22273632, 24748480, 27842040, 29698176, 37122720, 39597568, 44547264, 49496960, 55684080, 59396352, 74245440, 89094528, 98993920, 111368160, 118792704, 148490880, 178189056, 197987840, 222736320, 296981760, 356378112, 445472640, 593963520, 890945280, 1781890560]

約数ペア:

[(1, 1781890560), (2, 890945280), (3, 593963520), (4, 445472640), (5, 356378112), (6, 296981760), (8, 222736320), (9, 197987840), (10, 178189056), (12, 148490880), (15, 118792704), (16, 111368160), (18, 98993920), (20, 89094528), (24, 74245440), (30, 59396352), (32, 55684080), (36, 49496960), (40, 44547264), (45, 39597568), (48, 37122720), (60, 29698176), (64, 27842040), (72, 24748480), (80, 22273632), (90, 19798784), (96, 18561360), (120, 14849088), (128, 13921020), (144, 12374240), (160, 11136816), (180, 9899392), (192, 9280680), (240, 7424544), (256, 6960510), (288, 6187120), (320, 5568408), (360, 4949696), (384, 4640340), (480, 3712272), (512, 3480255), (576, 3093560), (640, 2784204), (720, 2474848), (768, 2320170), (960, 1856136), (1152, 1546780), (1280, 1392102), (1440, 1237424), (1536, 1160085), (1920, 928068), (2304, 773390), (2560, 696051), (2880, 618712), (3840, 464034), (4608, 386695), (5760, 309356), (7680, 232017), (11520, 154678), (23040, 77339)]