690888960

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19991}}^1$

素因数の和:20021

約数の個数: 144

約数和(自身を含む): 2451818880

約数和(自身を除く): 1760929920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 8640, 11520, 17280, 19991, 34560, 39982, 59973, 79964, 99955, 119946, 159928, 179919, 199910, 239892, 299865, 319856, 359838, 399820, 479784, 539757, 599730, 639712, 719676, 799640, 899595, 959568, 1079514, 1199460, 1279424, 1439352, 1599280, 1799190, 1919136, 2159028, 2398920, 2558848, 2698785, 2878704, 3198560, 3598380, 3838272, 4318056, 4797840, 5117696, 5397570, 5757408, 6397120, 7196760, 7676544, 8636112, 9595680, 10795140, 11514816, 12794240, 14393520, 15353088, 17272224, 19191360, 21590280, 23029632, 25588480, 28787040, 34544448, 38382720, 43180560, 46059264, 57574080, 69088896, 76765440, 86361120, 115148160, 138177792, 172722240, 230296320, 345444480, 690888960]

約数ペア:

[(1, 690888960), (2, 345444480), (3, 230296320), (4, 172722240), (5, 138177792), (6, 115148160), (8, 86361120), (9, 76765440), (10, 69088896), (12, 57574080), (15, 46059264), (16, 43180560), (18, 38382720), (20, 34544448), (24, 28787040), (27, 25588480), (30, 23029632), (32, 21590280), (36, 19191360), (40, 17272224), (45, 15353088), (48, 14393520), (54, 12794240), (60, 11514816), (64, 10795140), (72, 9595680), (80, 8636112), (90, 7676544), (96, 7196760), (108, 6397120), (120, 5757408), (128, 5397570), (135, 5117696), (144, 4797840), (160, 4318056), (180, 3838272), (192, 3598380), (216, 3198560), (240, 2878704), (256, 2698785), (270, 2558848), (288, 2398920), (320, 2159028), (360, 1919136), (384, 1799190), (432, 1599280), (480, 1439352), (540, 1279424), (576, 1199460), (640, 1079514), (720, 959568), (768, 899595), (864, 799640), (960, 719676), (1080, 639712), (1152, 599730), (1280, 539757), (1440, 479784), (1728, 399820), (1920, 359838), (2160, 319856), (2304, 299865), (2880, 239892), (3456, 199910), (3840, 179919), (4320, 159928), (5760, 119946), (6912, 99955), (8640, 79964), (11520, 59973), (17280, 39982), (19991, 34560)]