89181440

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 108

約数和(自身を含む): 226620324

約数和(自身を除く): 137438884

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 193, 256, 304, 320, 361, 380, 386, 608, 640, 722, 760, 772, 965, 1216, 1280, 1444, 1520, 1544, 1805, 1930, 2432, 2888, 3040, 3088, 3610, 3667, 3860, 4864, 5776, 6080, 6176, 7220, 7334, 7720, 11552, 12160, 12352, 14440, 14668, 15440, 18335, 23104, 24320, 24704, 28880, 29336, 30880, 36670, 46208, 49408, 57760, 58672, 61760, 69673, 73340, 92416, 115520, 117344, 123520, 139346, 146680, 231040, 234688, 247040, 278692, 293360, 348365, 462080, 469376, 557384, 586720, 696730, 938752, 1114768, 1173440, 1393460, 2229536, 2346880, 2786920, 4459072, 4693760, 5573840, 8918144, 11147680, 17836288, 22295360, 44590720, 89181440]

約数ペア:

[(1, 89181440), (2, 44590720), (4, 22295360), (5, 17836288), (8, 11147680), (10, 8918144), (16, 5573840), (19, 4693760), (20, 4459072), (32, 2786920), (38, 2346880), (40, 2229536), (64, 1393460), (76, 1173440), (80, 1114768), (95, 938752), (128, 696730), (152, 586720), (160, 557384), (190, 469376), (193, 462080), (256, 348365), (304, 293360), (320, 278692), (361, 247040), (380, 234688), (386, 231040), (608, 146680), (640, 139346), (722, 123520), (760, 117344), (772, 115520), (965, 92416), (1216, 73340), (1280, 69673), (1444, 61760), (1520, 58672), (1544, 57760), (1805, 49408), (1930, 46208), (2432, 36670), (2888, 30880), (3040, 29336), (3088, 28880), (3610, 24704), (3667, 24320), (3860, 23104), (4864, 18335), (5776, 15440), (6080, 14668), (6176, 14440), (7220, 12352), (7334, 12160), (7720, 11552)]