681892085280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7331}}^1$

素因数の和:7453

約数の個数: 768

約数和(自身を含む): 2724491427840

約数和(自身を除く): 2042599342560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 32, 35, 38, 40, 42, 47, 48, 56, 57, 60, 62, 70, 76, 80, 84, 93, 94, 95, 96, 105, 112, 114, 120, 124, 133, 140, 141, 152, 155, 160, 168, 186, 188, 190, 210, 217, 224, 228, 235, 240, 248, 266, 280, 282, 285, 304, 310, 329, 336, 372, 376, 380, 399, 420, 434, 456, 465, 470, 480, 496, 532, 560, 564, 570, 589, 608, 620, 651, 658, 665, 672, 705, 744, 752, 760, 798, 840, 868, 893, 912, 930, 940, 987, 992, 1064, 1085, 1120, 1128, 1140, 1178, 1240, 1302, 1316, 1330, 1410, 1457, 1488, 1504, 1520, 1596, 1645, 1680, 1736, 1767, 1786, 1824, 1860, 1880, 1974, 1995, 2128, 2170, 2256, 2280, 2356, 2480, 2604, 2632, 2660, 2679, 2820, 2914, 2945, 2976, 3040, 3192, 3255, 3290, 3360, 3472, 3534, 3572, 3720, 3760, 3948, 3990, 4123, 4256, 4340, 4371, 4465, 4512, 4560, 4712, 4935, 4960, 5208, 5264, 5320, 5358, 5640, 5828, 5890, 6251, 6384, 6510, 6580, 6944, 7068, 7144, 7285, 7331, 7440, 7520, 7896, 7980, 8246, 8680, 8742, 8835, 8930, 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39279498, 41346840, 42725068, 43179590, 45826081, 46507440, 46801104, 47724810, 48237980, 50906464, 51815508, 52372664, 53406335, 54542640, 55129120, 57885576, 58501380, 60451426, 63633080, 64087602, 64769385, 65465830, 66858720, 69087344, 72356970, 74768869, 76359696, 77180768, 78001840, 78558996, 82693680, 85450136, 86359180, 90677139, 91652162, 93014880, 93602208, 95449620, 96475960, 98198745, 103631016, 104745328, 106812670, 109085280, 115771152, 117002760, 120902852, 127266160, 128175204, 129538770, 130931660, 137478243, 138174688, 144713940, 149537738, 151128565, 152719392, 156003680, 157117992, 160219005, 165387360, 170900272, 172718360, 181354278, 183304324, 190899240, 192951920, 196397490, 202944073, 207262032, 209490656, 213625340, 224306607, 229130405, 231542304, 234005520, 241805704, 254532320, 256350408, 259077540, 261863320, 274956486, 289427880, 299075476, 302257130, 314235984, 320438010, 341800544, 345436720, 362708556, 366608648, 373844345, 381798480, 385903840, 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約数ペア:

[(1, 681892085280), (2, 340946042640), (3, 227297361760), (4, 170473021320), (5, 136378417056), (6, 113648680880), (7, 97413155040), (8, 85236510660), (10, 68189208528), (12, 56824340440), (14, 48706577520), (15, 45459472352), (16, 42618255330), (19, 35889057120), (20, 34094604264), (21, 32471051680), (24, 28412170220), (28, 24353288760), (30, 22729736176), (31, 21996518880), (32, 21309127665), (35, 19482631008), (38, 17944528560), (40, 17047302132), (42, 16235525840), (47, 14508342240), (48, 14206085110), (56, 12176644380), (57, 11963019040), (60, 11364868088), (62, 10998259440), (70, 9741315504), (76, 8972264280), (80, 8523651066), (84, 8117762920), (93, 7332172960), (94, 7254171120), (95, 7177811424), (96, 7103042555), (105, 6494210336), (112, 6088322190), (114, 5981509520), (120, 5682434044), (124, 5499129720), (133, 5127008160), (140, 4870657752), (141, 4836114080), (152, 4486132140), (155, 4399303776), (160, 4261825533), (168, 4058881460), (186, 3666086480), (188, 3627085560), 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