489995520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{18229}}^1$

素因数の和:18260

約数の個数: 144

約数和(自身を含む): 1788581760

約数和(自身を除く): 1298586240

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, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 18229, 26880, 36458, 54687, 72916, 91145, 109374, 127603, 145832, 182290, 218748, 255206, 273435, 291664, 364580, 382809, 437496, 510412, 546870, 583328, 638015, 729160, 765618, 874992, 1020824, 1093740, 1166656, 1276030, 1458320, 1531236, 1749984, 1914045, 2041648, 2187480, 2333312, 2552060, 2916640, 3062472, 3499968, 3828090, 4083296, 4374960, 4666624, 5104120, 5833280, 6124944, 6999936, 7656180, 8166592, 8749920, 10208240, 11666560, 12249888, 13999872, 15312360, 16333184, 17499840, 20416480, 23333120, 24499776, 30624720, 32666368, 34999680, 40832960, 48999552, 61249440, 69999360, 81665920, 97999104, 122498880, 163331840, 244997760, 489995520]

約数ペア:

[(1, 489995520), (2, 244997760), (3, 163331840), (4, 122498880), (5, 97999104), (6, 81665920), (7, 69999360), (8, 61249440), (10, 48999552), (12, 40832960), (14, 34999680), (15, 32666368), (16, 30624720), (20, 24499776), (21, 23333120), (24, 20416480), (28, 17499840), (30, 16333184), (32, 15312360), (35, 13999872), (40, 12249888), (42, 11666560), (48, 10208240), (56, 8749920), (60, 8166592), (64, 7656180), (70, 6999936), (80, 6124944), (84, 5833280), (96, 5104120), (105, 4666624), (112, 4374960), (120, 4083296), (128, 3828090), (140, 3499968), (160, 3062472), (168, 2916640), (192, 2552060), (210, 2333312), (224, 2187480), (240, 2041648), (256, 1914045), (280, 1749984), (320, 1531236), (336, 1458320), (384, 1276030), (420, 1166656), (448, 1093740), (480, 1020824), (560, 874992), (640, 765618), (672, 729160), (768, 638015), (840, 583328), (896, 546870), (960, 510412), (1120, 437496), (1280, 382809), (1344, 364580), (1680, 291664), (1792, 273435), (1920, 255206), (2240, 218748), (2688, 182290), (3360, 145832), (3840, 127603), (4480, 109374), (5376, 91145), (6720, 72916), (8960, 54687), (13440, 36458), (18229, 26880)]