261327360

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{4861}}^1$

素因数の和:4894

約数の個数: 160

約数和(自身を含む): 954974592

約数和(自身を除く): 693647232

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, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 4861, 5376, 6720, 7680, 8960, 9722, 10752, 13440, 14583, 17920, 19444, 24305, 26880, 29166, 34027, 38888, 48610, 53760, 58332, 68054, 72915, 77776, 97220, 102081, 116664, 136108, 145830, 155552, 170135, 194440, 204162, 233328, 272216, 291660, 311104, 340270, 388880, 408324, 466656, 510405, 544432, 583320, 622208, 680540, 777760, 816648, 933312, 1020810, 1088864, 1166640, 1244416, 1361080, 1555520, 1633296, 1866624, 2041620, 2177728, 2333280, 2488832, 2722160, 3111040, 3266592, 3733248, 4083240, 4355456, 4666560, 5444320, 6222080, 6533184, 7466496, 8166480, 8710912, 9333120, 10888640, 12444160, 13066368, 16332960, 17421824, 18666240, 21777280, 26132736, 32665920, 37332480, 43554560, 52265472, 65331840, 87109120, 130663680, 261327360]

約数ペア:

[(1, 261327360), (2, 130663680), (3, 87109120), (4, 65331840), (5, 52265472), (6, 43554560), (7, 37332480), (8, 32665920), (10, 26132736), (12, 21777280), (14, 18666240), (15, 17421824), (16, 16332960), (20, 13066368), (21, 12444160), (24, 10888640), (28, 9333120), (30, 8710912), (32, 8166480), (35, 7466496), (40, 6533184), (42, 6222080), (48, 5444320), (56, 4666560), (60, 4355456), (64, 4083240), (70, 3733248), (80, 3266592), (84, 3111040), (96, 2722160), (105, 2488832), (112, 2333280), (120, 2177728), (128, 2041620), (140, 1866624), (160, 1633296), (168, 1555520), (192, 1361080), (210, 1244416), (224, 1166640), (240, 1088864), (256, 1020810), (280, 933312), (320, 816648), (336, 777760), (384, 680540), (420, 622208), (448, 583320), (480, 544432), (512, 510405), (560, 466656), (640, 408324), (672, 388880), (768, 340270), (840, 311104), (896, 291660), (960, 272216), (1120, 233328), (1280, 204162), (1344, 194440), (1536, 170135), (1680, 155552), (1792, 145830), (1920, 136108), (2240, 116664), (2560, 102081), (2688, 97220), (3360, 77776), (3584, 72915), (3840, 68054), (4480, 58332), (4861, 53760), (5376, 48610), (6720, 38888), (7680, 34027), (8960, 29166), (9722, 26880), (10752, 24305), (13440, 19444), (14583, 17920)]