72168019200

素因数分解:

$2^8\times 3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 1080

約数和(自身を含む): 298094670720

約数和(自身を除く): 225926651520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 25, 27, 30, 32, 34, 36, 38, 40, 45, 48, 50, 51, 54, 57, 60, 64, 68, 72, 75, 76, 80, 81, 85, 90, 95, 96, 100, 102, 108, 114, 120, 128, 135, 136, 144, 150, 152, 153, 160, 162, 170, 171, 180, 190, 192, 200, 204, 216, 225, 228, 240, 255, 256, 270, 272, 285, 288, 300, 304, 306, 320, 323, 324, 340, 342, 360, 380, 384, 400, 405, 408, 425, 431, 432, 450, 456, 459, 475, 480, 510, 513, 540, 544, 570, 576, 600, 608, 612, 640, 646, 648, 675, 680, 684, 720, 760, 765, 768, 800, 810, 816, 850, 855, 862, 864, 900, 912, 918, 950, 960, 969, 1020, 1026, 1080, 1088, 1140, 1152, 1200, 1216, 1224, 1275, 1280, 1292, 1293, 1296, 1350, 1360, 1368, 1377, 1425, 1440, 1520, 1530, 1539, 1600, 1615, 1620, 1632, 1700, 1710, 1724, 1728, 1800, 1824, 1836, 1900, 1920, 1938, 2025, 2040, 2052, 2155, 2160, 2176, 2280, 2295, 2304, 2400, 2432, 2448, 2550, 2565, 2584, 2586, 2592, 2700, 2720, 2736, 2754, 2850, 2880, 2907, 3040, 3060, 3078, 3200, 3230, 3240, 3264, 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27584, 28800, 29070, 29308, 29376, 30400, 30600, 30780, 31008, 31032, 32300, 32325, 32400, 32640, 32756, 32832, 34200, 34425, 34480, 34560, 34884, 34911, 36480, 36635, 36720, 38475, 38760, 38790, 39168, 40800, 40945, 41040, 41344, 41376, 43100, 43200, 43605, 43776, 43962, 44064, 45600, 45900, 46512, 46548, 48450, 48960, 49134, 49248, 51300, 51680, 51720, 51840, 52326, 54400, 54720, 55080, 55168, 57600, 58140, 58185, 58616, 58752, 60800, 61200, 61560, 62016, 62064, 64600, 64650, 64800, 65280, 65512, 65664, 65943, 68400, 68850, 68960, 69768, 69822, 72675, 72960, 73270, 73440, 73701, 76950, 77520, 77580, 81600, 81890, 82080, 82688, 82752, 86200, 86400, 87210, 87924, 88128, 91200, 91800, 93024, 93096, 96900, 96975, 97920, 98268, 98496, 102600, 103360, 103440, 103680, 104652, 108800, 109440, 109905, 110160, 110336, 116280, 116370, 117232, 117504, 121600, 122400, 122835, 123120, 124032, 124128, 129200, 129300, 129600, 130815, 131024, 131328, 131886, 136800, 137700, 137920, 139213, 139536, 139644, 145350, 146540, 146880, 147402, 153900, 155040, 155160, 163200, 163780, 164160, 165504, 172400, 172800, 174420, 174555, 175848, 176256, 182400, 183175, 183600, 186048, 186192, 193800, 193950, 195840, 196536, 196992, 197829, 204725, 205200, 206720, 206880, 209304, 218025, 218880, 219810, 220320, 221103, 232560, 232740, 234464, 244800, 245670, 246240, 248064, 248256, 258400, 258600, 259200, 261630, 262048, 263772, 273600, 275400, 275840, 278426, 279072, 279288, 290700, 290925, 293080, 293760, 294804, 307800, 310080, 310320, 326400, 327560, 328320, 329715, 331008, 344800, 348840, 349110, 351696, 352512, 364800, 366350, 367200, 368505, 372096, 372384, 387600, 387900, 393072, 393984, 395658, 409450, 410400, 413440, 413760, 417639, 418608, 436050, 439620, 440640, 442206, 465120, 465480, 468928, 489600, 491340, 492480, 496512, 516800, 517200, 518400, 523260, 524096, 527544, 547200, 549525, 550800, 551680, 556852, 558144, 558576, 581400, 581850, 586160, 587520, 589608, 593487, 614175, 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約数ペア:

[(1, 72168019200), (2, 36084009600), (3, 24056006400), (4, 18042004800), (5, 14433603840), (6, 12028003200), (8, 9021002400), (9, 8018668800), (10, 7216801920), (12, 6014001600), (15, 4811201280), (16, 4510501200), (17, 4245177600), (18, 4009334400), (19, 3798316800), (20, 3608400960), (24, 3007000800), (25, 2886720768), (27, 2672889600), (30, 2405600640), (32, 2255250600), (34, 2122588800), (36, 2004667200), (38, 1899158400), (40, 1804200480), (45, 1603733760), (48, 1503500400), (50, 1443360384), (51, 1415059200), (54, 1336444800), (57, 1266105600), (60, 1202800320), (64, 1127625300), (68, 1061294400), (72, 1002333600), (75, 962240256), (76, 949579200), (80, 902100240), (81, 890963200), (85, 849035520), (90, 801866880), (95, 759663360), (96, 751750200), (100, 721680192), (102, 707529600), (108, 668222400), (114, 633052800), (120, 601400160), (128, 563812650), (135, 534577920), (136, 530647200), (144, 501166800), (150, 481120128), (152, 474789600), (153, 471686400), (160, 451050120), 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