2008995840

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{21799}}^1$

素因数の和:21832

約数の個数: 144

約数和(自身を含む): 6963138000

約数和(自身を除く): 4954142160

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, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 6144, 7680, 9216, 10240, 11520, 15360, 18432, 21799, 23040, 30720, 43598, 46080, 65397, 87196, 92160, 108995, 130794, 174392, 196191, 217990, 261588, 326985, 348784, 392382, 435980, 523176, 653970, 697568, 784764, 871960, 980955, 1046352, 1307940, 1395136, 1569528, 1743920, 1961910, 2092704, 2615880, 2790272, 3139056, 3487840, 3923820, 4185408, 5231760, 5580544, 6278112, 6975680, 7847640, 8370816, 10463520, 11161088, 12556224, 13951360, 15695280, 16741632, 20927040, 22322176, 25112448, 27902720, 31390560, 33483264, 41854080, 44644352, 50224896, 55805440, 62781120, 66966528, 83708160, 100449792, 111610880, 125562240, 133933056, 167416320, 200899584, 223221760, 251124480, 334832640, 401799168, 502248960, 669665280, 1004497920, 2008995840]

約数ペア:

[(1, 2008995840), (2, 1004497920), (3, 669665280), (4, 502248960), (5, 401799168), (6, 334832640), (8, 251124480), (9, 223221760), (10, 200899584), (12, 167416320), (15, 133933056), (16, 125562240), (18, 111610880), (20, 100449792), (24, 83708160), (30, 66966528), (32, 62781120), (36, 55805440), (40, 50224896), (45, 44644352), (48, 41854080), (60, 33483264), (64, 31390560), (72, 27902720), (80, 25112448), (90, 22322176), (96, 20927040), (120, 16741632), (128, 15695280), (144, 13951360), (160, 12556224), (180, 11161088), (192, 10463520), (240, 8370816), (256, 7847640), (288, 6975680), (320, 6278112), (360, 5580544), (384, 5231760), (480, 4185408), (512, 3923820), (576, 3487840), (640, 3139056), (720, 2790272), (768, 2615880), (960, 2092704), (1024, 1961910), (1152, 1743920), (1280, 1569528), (1440, 1395136), (1536, 1307940), (1920, 1046352), (2048, 980955), (2304, 871960), (2560, 784764), (2880, 697568), (3072, 653970), (3840, 523176), (4608, 435980), (5120, 392382), (5760, 348784), (6144, 326985), (7680, 261588), (9216, 217990), (10240, 196191), (11520, 174392), (15360, 130794), (18432, 108995), (21799, 92160), (23040, 87196), (30720, 65397), (43598, 46080)]