81851520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:590

約数の個数: 128

約数和(自身を含む): 264384000

約数和(自身を除く): 182532480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 267, 320, 356, 384, 445, 479, 480, 534, 640, 712, 890, 958, 960, 1068, 1335, 1424, 1437, 1780, 1916, 1920, 2136, 2395, 2670, 2848, 2874, 3560, 3832, 4272, 4790, 5340, 5696, 5748, 7120, 7185, 7664, 8544, 9580, 10680, 11392, 11496, 14240, 14370, 15328, 17088, 19160, 21360, 22992, 28480, 28740, 30656, 34176, 38320, 42631, 42720, 45984, 56960, 57480, 61312, 76640, 85262, 85440, 91968, 114960, 127893, 153280, 170524, 170880, 183936, 213155, 229920, 255786, 306560, 341048, 426310, 459840, 511572, 639465, 682096, 852620, 919680, 1023144, 1278930, 1364192, 1705240, 2046288, 2557860, 2728384, 3410480, 4092576, 5115720, 5456768, 6820960, 8185152, 10231440, 13641920, 16370304, 20462880, 27283840, 40925760, 81851520]

約数ペア:

[(1, 81851520), (2, 40925760), (3, 27283840), (4, 20462880), (5, 16370304), (6, 13641920), (8, 10231440), (10, 8185152), (12, 6820960), (15, 5456768), (16, 5115720), (20, 4092576), (24, 3410480), (30, 2728384), (32, 2557860), (40, 2046288), (48, 1705240), (60, 1364192), (64, 1278930), (80, 1023144), (89, 919680), (96, 852620), (120, 682096), (128, 639465), (160, 511572), (178, 459840), (192, 426310), (240, 341048), (267, 306560), (320, 255786), (356, 229920), (384, 213155), (445, 183936), (479, 170880), (480, 170524), (534, 153280), (640, 127893), (712, 114960), (890, 91968), (958, 85440), (960, 85262), (1068, 76640), (1335, 61312), (1424, 57480), (1437, 56960), (1780, 45984), (1916, 42720), (1920, 42631), (2136, 38320), (2395, 34176), (2670, 30656), (2848, 28740), (2874, 28480), (3560, 22992), (3832, 21360), (4272, 19160), (4790, 17088), (5340, 15328), (5696, 14370), (5748, 14240), (7120, 11496), (7185, 11392), (7664, 10680), (8544, 9580)]