19879620480

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:172

約数の個数: 1024

約数和(自身を含む): 80372736000

約数和(自身を除く): 60493115520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 31, 32, 34, 36, 37, 40, 45, 48, 51, 54, 59, 60, 62, 64, 68, 72, 74, 80, 85, 90, 93, 96, 102, 108, 111, 118, 120, 124, 128, 135, 136, 144, 148, 153, 155, 160, 170, 177, 180, 185, 186, 192, 204, 216, 222, 236, 240, 248, 255, 270, 272, 279, 288, 295, 296, 306, 310, 320, 333, 340, 354, 360, 370, 372, 384, 408, 432, 444, 459, 465, 472, 480, 496, 510, 527, 531, 540, 544, 555, 558, 576, 590, 592, 612, 620, 629, 640, 666, 680, 708, 720, 740, 744, 765, 816, 837, 864, 885, 888, 918, 930, 944, 960, 992, 999, 1003, 1020, 1054, 1062, 1080, 1088, 1110, 1116, 1147, 1152, 1180, 1184, 1224, 1240, 1258, 1332, 1360, 1395, 1416, 1440, 1480, 1488, 1530, 1581, 1593, 1632, 1665, 1674, 1728, 1770, 1776, 1829, 1836, 1860, 1887, 1888, 1920, 1984, 1998, 2006, 2040, 2108, 2124, 2160, 2176, 2183, 2220, 2232, 2294, 2295, 2360, 2368, 2448, 2480, 2516, 2635, 2655, 2664, 2720, 2790, 2832, 2880, 2960, 2976, 3009, 3060, 3145, 3162, 3186, 3264, 3330, 3348, 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419136, 433296, 438960, 440448, 445332, 452880, 455328, 466395, 467976, 471528, 481440, 493830, 495504, 497488, 505920, 509760, 523920, 526473, 526752, 535680, 541384, 541620, 543456, 550560, 556665, 559674, 569160, 577728, 584970, 585280, 589410, 593776, 603840, 607104, 609057, 619380, 621860, 623968, 628704, 639360, 641920, 658440, 660672, 667998, 676730, 679320, 698560, 701964, 702336, 722160, 724608, 734080, 742220, 746232, 758880, 779960, 785880, 790128, 812076, 825840, 838272, 839511, 866592, 877455, 877920, 890664, 905760, 910656, 932790, 935952, 943056, 962880, 987660, 991008, 994976, 1001997, 1011840, 1015095, 1019520, 1047840, 1052946, 1053504, 1082768, 1083240, 1086912, 1101120, 1113330, 1119348, 1138320, 1150441, 1155456, 1169940, 1170560, 1178820, 1187552, 1207680, 1218114, 1238760, 1243720, 1247936, 1257408, 1316880, 1321344, 1335996, 1353460, 1358640, 1397120, 1399185, 1403928, 1444320, 1484440, 1492464, 1517760, 1559920, 1571760, 1580256, 1624152, 1651680, 1669995, 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約数ペア:

[(1, 19879620480), (2, 9939810240), (3, 6626540160), (4, 4969905120), (5, 3975924096), (6, 3313270080), (8, 2484952560), (9, 2208846720), (10, 1987962048), (12, 1656635040), (15, 1325308032), (16, 1242476280), (17, 1169389440), (18, 1104423360), (20, 993981024), (24, 828317520), (27, 736282240), (30, 662654016), (31, 641278080), (32, 621238140), (34, 584694720), (36, 552211680), (37, 537287040), (40, 496990512), (45, 441769344), (48, 414158760), (51, 389796480), (54, 368141120), (59, 336942720), (60, 331327008), (62, 320639040), (64, 310619070), (68, 292347360), (72, 276105840), (74, 268643520), (80, 248495256), (85, 233877888), (90, 220884672), (93, 213759360), (96, 207079380), (102, 194898240), (108, 184070560), (111, 179095680), (118, 168471360), (120, 165663504), (124, 160319520), (128, 155309535), (135, 147256448), (136, 146173680), (144, 138052920), (148, 134321760), (153, 129932160), (155, 128255616), (160, 124247628), (170, 116938944), (177, 112314240), (180, 110442336), (185, 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