1221335040

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:592

約数の個数: 192

約数和(自身を含む): 3962649600

約数和(自身を除く): 2741314560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 256, 320, 332, 384, 415, 479, 480, 498, 512, 640, 664, 768, 830, 958, 960, 996, 1024, 1245, 1280, 1328, 1437, 1536, 1660, 1916, 1920, 1992, 2048, 2395, 2490, 2560, 2656, 2874, 3072, 3320, 3832, 3840, 3984, 4790, 4980, 5120, 5312, 5748, 6144, 6640, 7185, 7664, 7680, 7968, 9580, 9960, 10240, 10624, 11496, 13280, 14370, 15328, 15360, 15936, 19160, 19920, 21248, 22992, 26560, 28740, 30656, 30720, 31872, 38320, 39757, 39840, 42496, 45984, 53120, 57480, 61312, 63744, 76640, 79514, 79680, 84992, 91968, 106240, 114960, 119271, 122624, 127488, 153280, 159028, 159360, 169984, 183936, 198785, 212480, 229920, 238542, 245248, 254976, 306560, 318056, 318720, 367872, 397570, 424960, 459840, 477084, 490496, 509952, 596355, 613120, 636112, 637440, 735744, 795140, 849920, 919680, 954168, 980992, 1192710, 1226240, 1272224, 1274880, 1471488, 1590280, 1839360, 1908336, 2385420, 2452480, 2544448, 2549760, 2942976, 3180560, 3678720, 3816672, 4770840, 4904960, 5088896, 6361120, 7357440, 7633344, 9541680, 10177792, 12722240, 14714880, 15266688, 19083360, 20355584, 25444480, 30533376, 38166720, 40711168, 50888960, 61066752, 76333440, 81422336, 101777920, 122133504, 152666880, 203555840, 244267008, 305333760, 407111680, 610667520, 1221335040]

約数ペア:

[(1, 1221335040), (2, 610667520), (3, 407111680), (4, 305333760), (5, 244267008), (6, 203555840), (8, 152666880), (10, 122133504), (12, 101777920), (15, 81422336), (16, 76333440), (20, 61066752), (24, 50888960), (30, 40711168), (32, 38166720), (40, 30533376), (48, 25444480), (60, 20355584), (64, 19083360), (80, 15266688), (83, 14714880), (96, 12722240), (120, 10177792), (128, 9541680), (160, 7633344), (166, 7357440), (192, 6361120), (240, 5088896), (249, 4904960), (256, 4770840), (320, 3816672), (332, 3678720), (384, 3180560), (415, 2942976), (479, 2549760), (480, 2544448), (498, 2452480), (512, 2385420), (640, 1908336), (664, 1839360), (768, 1590280), (830, 1471488), (958, 1274880), (960, 1272224), (996, 1226240), (1024, 1192710), (1245, 980992), (1280, 954168), (1328, 919680), (1437, 849920), (1536, 795140), (1660, 735744), (1916, 637440), (1920, 636112), (1992, 613120), (2048, 596355), (2395, 509952), (2490, 490496), (2560, 477084), (2656, 459840), (2874, 424960), (3072, 397570), (3320, 367872), (3832, 318720), (3840, 318056), (3984, 306560), (4790, 254976), (4980, 245248), (5120, 238542), (5312, 229920), (5748, 212480), (6144, 198785), (6640, 183936), (7185, 169984), (7664, 159360), (7680, 159028), (7968, 153280), (9580, 127488), (9960, 122624), (10240, 119271), (10624, 114960), (11496, 106240), (13280, 91968), (14370, 84992), (15328, 79680), (15360, 79514), (15936, 76640), (19160, 63744), (19920, 61312), (21248, 57480), (22992, 53120), (26560, 45984), (28740, 42496), (30656, 39840), (30720, 39757), (31872, 38320)]