18818556120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:217

約数の個数: 1024

約数和(自身を含む): 81394790400

約数和(自身を除く): 62576234280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 43, 45, 52, 54, 56, 60, 61, 63, 65, 70, 72, 73, 78, 84, 86, 90, 91, 104, 105, 108, 117, 120, 122, 126, 129, 130, 135, 140, 146, 156, 168, 172, 180, 182, 183, 189, 195, 210, 215, 216, 219, 234, 244, 252, 258, 260, 270, 273, 280, 292, 301, 305, 312, 315, 344, 351, 360, 364, 365, 366, 378, 387, 390, 420, 427, 430, 438, 455, 468, 488, 504, 511, 516, 520, 540, 546, 549, 559, 584, 585, 602, 610, 630, 645, 657, 702, 728, 730, 732, 756, 774, 780, 793, 819, 840, 854, 860, 876, 903, 910, 915, 936, 945, 949, 1022, 1032, 1080, 1092, 1095, 1098, 1118, 1161, 1170, 1204, 1220, 1260, 1281, 1290, 1314, 1365, 1404, 1460, 1464, 1505, 1512, 1533, 1548, 1560, 1586, 1638, 1647, 1677, 1708, 1720, 1752, 1755, 1806, 1820, 1830, 1890, 1898, 1935, 1971, 2044, 2135, 2184, 2190, 2196, 2236, 2322, 2340, 2379, 2408, 2440, 2457, 2520, 2555, 2562, 2580, 2623, 2628, 2709, 2730, 2745, 2795, 2808, 2847, 2920, 3010, 3066, 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440664, 461160, 463112, 467565, 469560, 472140, 477386, 478296, 480924, 489684, 495747, 499590, 511485, 512460, 521001, 527352, 528255, 534360, 550830, 551880, 561078, 565020, 566568, 571298, 574437, 578890, 593271, 597870, 599508, 601155, 603720, 612105, 613782, 623420, 659190, 660996, 666120, 678024, 681980, 694668, 704340, 708210, 716079, 717444, 734440, 734526, 748104, 749385, 765916, 791028, 797160, 801540, 810446, 816140, 818376, 826245, 841617, 845208, 847530, 856440, 856947, 868335, 878920, 896805, 920673, 935130, 944280, 954772, 957395, 961848, 979368, 988785, 991494, 999180, 1022970, 1024920, 1042002, 1056510, 1101660, 1101789, 1122156, 1130040, 1142596, 1148874, 1157780, 1186542, 1193465, 1195740, 1199016, 1202310, 1215669, 1224210, 1227564, 1246840, 1318380, 1321992, 1340353, 1363960, 1389336, 1402695, 1408680, 1416420, 1428245, 1432158, 1434888, 1469052, 1498770, 1531832, 1534455, 1563003, 1582056, 1603080, 1620892, 1632280, 1652490, 1683234, 1695060, 1713894, 1723311, 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約数ペア:

[(1, 18818556120), (2, 9409278060), (3, 6272852040), (4, 4704639030), (5, 3763711224), (6, 3136426020), (7, 2688365160), (8, 2352319515), (9, 2090950680), (10, 1881855612), (12, 1568213010), (13, 1447581240), (14, 1344182580), (15, 1254570408), (18, 1045475340), (20, 940927806), (21, 896121720), (24, 784106505), (26, 723790620), (27, 696983560), (28, 672091290), (30, 627285204), (35, 537673032), (36, 522737670), (39, 482527080), (40, 470463903), (42, 448060860), (43, 437640840), (45, 418190136), (52, 361895310), (54, 348491780), (56, 336045645), (60, 313642602), (61, 308500920), (63, 298707240), (65, 289516248), (70, 268836516), (72, 261368835), (73, 257788440), (78, 241263540), (84, 224030430), (86, 218820420), (90, 209095068), (91, 206797320), (104, 180947655), (105, 179224344), (108, 174245890), (117, 160842360), (120, 156821301), (122, 154250460), (126, 149353620), (129, 145880280), (130, 144758124), (135, 139396712), (140, 134418258), (146, 128894220), (156, 120631770), (168, 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