19983512640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 896

約数和(自身を含む): 82847858688

約数和(自身を除く): 62864346048

約数列:

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1136460, 1142960, 1143745, 1151124, 1168080, 1180640, 1212224, 1223880, 1239672, 1265420, 1325870, 1328691, 1342978, 1354080, 1362760, 1368640, 1371552, 1372494, 1398720, 1416768, 1438905, 1515280, 1518504, 1534832, 1549590, 1557440, 1591044, 1601243, 1631840, 1635312, 1652896, 1714440, 1770960, 1771588, 1818336, 1829992, 1898130, 1918540, 1958208, 1959360, 1988805, 2014467, 2024672, 2044140, 2052960, 2066120, 2121392, 2180416, 2214485, 2272920, 2285920, 2287490, 2302248, 2336160, 2361280, 2447760, 2479344, 2530840, 2651740, 2657382, 2685956, 2708160, 2725520, 2743104, 2744988, 2877810, 2973737, 3030560, 3037008, 3069664, 3099180, 3182088, 3202486, 3263680, 3270624, 3305792, 3357445, 3428880, 3431235, 3541920, 3543176, 3636672, 3659984, 3796260, 3837080, 3977610, 4028934, 4049344, 4088280, 4105920, 4132240, 4242784, 4428970, 4545840, 4571840, 4574980, 4604496, 4672320, 4803729, 4895520, 4958688, 5061680, 5303480, 5314764, 5371912, 5451040, 5489976, 5755620, 5947474, 6061120, 6074016, 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約数ペア:

[(1, 19983512640), (2, 9991756320), (3, 6661170880), (4, 4995878160), (5, 3996702528), (6, 3330585440), (7, 2854787520), (8, 2497939080), (10, 1998351264), (12, 1665292720), (13, 1537193280), (14, 1427393760), (15, 1332234176), (16, 1248969540), (20, 999175632), (21, 951595840), (24, 832646360), (26, 768596640), (28, 713696880), (30, 666117088), (31, 644629440), (32, 624484770), (35, 570957504), (39, 512397760), (40, 499587816), (42, 475797920), (47, 425181120), (48, 416323180), (52, 384298320), (56, 356848440), (60, 333058544), (62, 322314720), (64, 312242385), (65, 307438656), (70, 285478752), (78, 256198880), (80, 249793908), (84, 237898960), (91, 219599040), (93, 214876480), (94, 212590560), (96, 208161590), (104, 192149160), (105, 190319168), (112, 178424220), (120, 166529272), (124, 161157360), (130, 153719328), (140, 142739376), (141, 141727040), (155, 128925888), (156, 128099440), (157, 127283520), (160, 124896954), (168, 118949480), (182, 109799520), (186, 107438240), (188, 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(942, 21213920), (960, 20816159), (987, 20246720), (992, 20144670), (1040, 19214916), (1085, 18417984), (1092, 18299920), (1099, 18183360), (1120, 17842422), (1128, 17715880), (1209, 16528960), (1222, 16353120), (1240, 16115736), (1248, 16012430), (1256, 15910440), (1302, 15348320), (1316, 15185040), (1344, 14868685), (1365, 14639936), (1410, 14172704), (1456, 13724940), (1457, 13715520), (1488, 13429780), (1504, 13286910), (1560, 12809944), (1570, 12728352), (1612, 12396720), (1645, 12148032), (1680, 11894948), (1736, 11511240), (1820, 10979952), (1833, 10902080), (1860, 10743824), (1880, 10629528), (1884, 10606960), (1974, 10123360), (1984, 10072335), (2015, 9917376), (2041, 9791040), (2080, 9607458), (2170, 9208992), (2184, 9149960), (2198, 9091680), (2240, 8921211), (2256, 8857940), (2355, 8485568), (2418, 8264480), (2444, 8176560), (2480, 8057868), (2496, 8006215), (2512, 7955220), (2604, 7674160), (2632, 7592520), (2730, 7319968), (2820, 7086352), (2821, 7083840), (2912, 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