81742080

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{3041}}^1$

素因数の和:3072

約数の個数: 144

約数和(自身を含む): 298456704

約数和(自身を除く): 216714624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3041, 3360, 3840, 4480, 5376, 6082, 6720, 8960, 9123, 12164, 13440, 15205, 18246, 21287, 24328, 26880, 30410, 36492, 42574, 45615, 48656, 60820, 63861, 72984, 85148, 91230, 97312, 106435, 121640, 127722, 145968, 170296, 182460, 194624, 212870, 243280, 255444, 291936, 319305, 340592, 364920, 389248, 425740, 486560, 510888, 583872, 638610, 681184, 729840, 778496, 851480, 973120, 1021776, 1167744, 1277220, 1362368, 1459680, 1702960, 1946240, 2043552, 2335488, 2554440, 2724736, 2919360, 3405920, 3892480, 4087104, 5108880, 5449472, 5838720, 6811840, 8174208, 10217760, 11677440, 13623680, 16348416, 20435520, 27247360, 40871040, 81742080]

約数ペア:

[(1, 81742080), (2, 40871040), (3, 27247360), (4, 20435520), (5, 16348416), (6, 13623680), (7, 11677440), (8, 10217760), (10, 8174208), (12, 6811840), (14, 5838720), (15, 5449472), (16, 5108880), (20, 4087104), (21, 3892480), (24, 3405920), (28, 2919360), (30, 2724736), (32, 2554440), (35, 2335488), (40, 2043552), (42, 1946240), (48, 1702960), (56, 1459680), (60, 1362368), (64, 1277220), (70, 1167744), (80, 1021776), (84, 973120), (96, 851480), (105, 778496), (112, 729840), (120, 681184), (128, 638610), (140, 583872), (160, 510888), (168, 486560), (192, 425740), (210, 389248), (224, 364920), (240, 340592), (256, 319305), (280, 291936), (320, 255444), (336, 243280), (384, 212870), (420, 194624), (448, 182460), (480, 170296), (560, 145968), (640, 127722), (672, 121640), (768, 106435), (840, 97312), (896, 91230), (960, 85148), (1120, 72984), (1280, 63861), (1344, 60820), (1680, 48656), (1792, 45615), (1920, 42574), (2240, 36492), (2688, 30410), (3041, 26880), (3360, 24328), (3840, 21287), (4480, 18246), (5376, 15205), (6082, 13440), (6720, 12164), (8960, 9123)]