18808938720

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 1152

約数和(自身を含む): 83215641600

約数和(自身を除く): 64406702880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 20, 22, 24, 26, 27, 30, 32, 33, 34, 36, 39, 40, 44, 45, 48, 51, 52, 54, 55, 60, 65, 66, 68, 72, 78, 80, 81, 85, 88, 90, 96, 99, 102, 104, 108, 110, 117, 120, 130, 132, 135, 136, 143, 144, 153, 156, 160, 162, 165, 170, 176, 180, 187, 195, 198, 199, 204, 208, 216, 220, 221, 234, 240, 243, 255, 260, 264, 270, 272, 286, 288, 297, 306, 312, 324, 330, 340, 351, 352, 360, 374, 390, 396, 398, 405, 408, 416, 429, 432, 440, 442, 459, 468, 480, 486, 495, 510, 520, 528, 540, 544, 561, 572, 585, 594, 597, 612, 624, 648, 660, 663, 680, 702, 715, 720, 748, 765, 780, 792, 796, 810, 816, 858, 864, 880, 884, 891, 918, 935, 936, 972, 990, 995, 1020, 1040, 1053, 1056, 1080, 1105, 1122, 1144, 1170, 1188, 1194, 1215, 1224, 1248, 1287, 1296, 1320, 1326, 1360, 1377, 1404, 1430, 1440, 1485, 1496, 1530, 1560, 1584, 1592, 1620, 1632, 1683, 1716, 1755, 1760, 1768, 1782, 1791, 1836, 1870, 1872, 1944, 1980, 1989, 1990, 2040, 2080, 2106, 2145, 2160, 2189, 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約数ペア:

[(1, 18808938720), (2, 9404469360), (3, 6269646240), (4, 4702234680), (5, 3761787744), (6, 3134823120), (8, 2351117340), (9, 2089882080), (10, 1880893872), (11, 1709903520), (12, 1567411560), (13, 1446841440), (15, 1253929248), (16, 1175558670), (17, 1106408160), (18, 1044941040), (20, 940446936), (22, 854951760), (24, 783705780), (26, 723420720), (27, 696627360), (30, 626964624), (32, 587779335), (33, 569967840), (34, 553204080), (36, 522470520), (39, 482280480), (40, 470223468), (44, 427475880), (45, 417976416), (48, 391852890), (51, 368802720), (52, 361710360), (54, 348313680), (55, 341980704), (60, 313482312), (65, 289368288), (66, 284983920), (68, 276602040), (72, 261235260), (78, 241140240), (80, 235111734), (81, 232209120), (85, 221281632), (88, 213737940), (90, 208988208), (96, 195926445), (99, 189989280), (102, 184401360), (104, 180855180), (108, 174156840), (110, 170990352), (117, 160760160), (120, 156741156), (130, 144684144), (132, 142491960), (135, 139325472), (136, 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