28145040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1523}}^1$

素因数の和:1557

約数の個数: 160

約数和(自身を含む): 108850176

約数和(自身を除く): 80705136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1523, 1540, 1680, 1848, 2310, 2640, 3046, 3080, 3696, 4569, 4620, 6092, 6160, 7615, 9138, 9240, 10661, 12184, 15230, 16753, 18276, 18480, 21322, 22845, 24368, 30460, 31983, 33506, 36552, 42644, 45690, 50259, 53305, 60920, 63966, 67012, 73104, 83765, 85288, 91380, 100518, 106610, 117271, 121840, 127932, 134024, 159915, 167530, 170576, 182760, 201036, 213220, 234542, 251295, 255864, 268048, 319830, 335060, 351813, 365520, 402072, 426440, 469084, 502590, 511728, 586355, 639660, 670120, 703626, 804144, 852880, 938168, 1005180, 1172710, 1279320, 1340240, 1407252, 1759065, 1876336, 2010360, 2345420, 2558640, 2814504, 3518130, 4020720, 4690840, 5629008, 7036260, 9381680, 14072520, 28145040]

約数ペア:

[(1, 28145040), (2, 14072520), (3, 9381680), (4, 7036260), (5, 5629008), (6, 4690840), (7, 4020720), (8, 3518130), (10, 2814504), (11, 2558640), (12, 2345420), (14, 2010360), (15, 1876336), (16, 1759065), (20, 1407252), (21, 1340240), (22, 1279320), (24, 1172710), (28, 1005180), (30, 938168), (33, 852880), (35, 804144), (40, 703626), (42, 670120), (44, 639660), (48, 586355), (55, 511728), (56, 502590), (60, 469084), (66, 426440), (70, 402072), (77, 365520), (80, 351813), (84, 335060), (88, 319830), (105, 268048), (110, 255864), (112, 251295), (120, 234542), (132, 213220), (140, 201036), (154, 182760), (165, 170576), (168, 167530), (176, 159915), (210, 134024), (220, 127932), (231, 121840), (240, 117271), (264, 106610), (280, 100518), (308, 91380), (330, 85288), (336, 83765), (385, 73104), (420, 67012), (440, 63966), (462, 60920), (528, 53305), (560, 50259), (616, 45690), (660, 42644), (770, 36552), (840, 33506), (880, 31983), (924, 30460), (1155, 24368), (1232, 22845), (1320, 21322), (1523, 18480), (1540, 18276), (1680, 16753), (1848, 15230), (2310, 12184), (2640, 10661), (3046, 9240), (3080, 9138), (3696, 7615), (4569, 6160), (4620, 6092)]