20462880

素因数分解:

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

素因数の和:586

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 44855520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 479, 480, 534, 712, 890, 958, 1068, 1335, 1424, 1437, 1780, 1916, 2136, 2395, 2670, 2848, 2874, 3560, 3832, 4272, 4790, 5340, 5748, 7120, 7185, 7664, 8544, 9580, 10680, 11496, 14240, 14370, 15328, 19160, 21360, 22992, 28740, 38320, 42631, 42720, 45984, 57480, 76640, 85262, 114960, 127893, 170524, 213155, 229920, 255786, 341048, 426310, 511572, 639465, 682096, 852620, 1023144, 1278930, 1364192, 1705240, 2046288, 2557860, 3410480, 4092576, 5115720, 6820960, 10231440, 20462880]

約数ペア:

[(1, 20462880), (2, 10231440), (3, 6820960), (4, 5115720), (5, 4092576), (6, 3410480), (8, 2557860), (10, 2046288), (12, 1705240), (15, 1364192), (16, 1278930), (20, 1023144), (24, 852620), (30, 682096), (32, 639465), (40, 511572), (48, 426310), (60, 341048), (80, 255786), (89, 229920), (96, 213155), (120, 170524), (160, 127893), (178, 114960), (240, 85262), (267, 76640), (356, 57480), (445, 45984), (479, 42720), (480, 42631), (534, 38320), (712, 28740), (890, 22992), (958, 21360), (1068, 19160), (1335, 15328), (1424, 14370), (1437, 14240), (1780, 11496), (1916, 10680), (2136, 9580), (2395, 8544), (2670, 7664), (2848, 7185), (2874, 7120), (3560, 5748), (3832, 5340), (4272, 4790)]