257716080

素因数分解:

$2^4\times 3^8\times 5^1\times {\mathrm{491}}^1$

素因数の和:528

約数の個数: 180

約数和(自身を含む): 900569592

約数和(自身を除く): 642853512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 491, 540, 648, 720, 729, 810, 972, 982, 1080, 1215, 1296, 1458, 1473, 1620, 1944, 1964, 2160, 2187, 2430, 2455, 2916, 2946, 3240, 3645, 3888, 3928, 4374, 4419, 4860, 4910, 5832, 5892, 6480, 6561, 7290, 7365, 7856, 8748, 8838, 9720, 9820, 10935, 11664, 11784, 13122, 13257, 14580, 14730, 17496, 17676, 19440, 19640, 21870, 22095, 23568, 26244, 26514, 29160, 29460, 32805, 34992, 35352, 39280, 39771, 43740, 44190, 52488, 53028, 58320, 58920, 65610, 66285, 70704, 79542, 87480, 88380, 104976, 106056, 117840, 119313, 131220, 132570, 159084, 174960, 176760, 198855, 212112, 238626, 262440, 265140, 318168, 353520, 357939, 397710, 477252, 524880, 530280, 596565, 636336, 715878, 795420, 954504, 1060560, 1073817, 1193130, 1431756, 1590840, 1789695, 1909008, 2147634, 2386260, 2863512, 3181680, 3221451, 3579390, 4295268, 4772520, 5369085, 5727024, 6442902, 7158780, 8590536, 9545040, 10738170, 12885804, 14317560, 16107255, 17181072, 21476340, 25771608, 28635120, 32214510, 42952680, 51543216, 64429020, 85905360, 128858040, 257716080]

約数ペア:

[(1, 257716080), (2, 128858040), (3, 85905360), (4, 64429020), (5, 51543216), (6, 42952680), (8, 32214510), (9, 28635120), (10, 25771608), (12, 21476340), (15, 17181072), (16, 16107255), (18, 14317560), (20, 12885804), (24, 10738170), (27, 9545040), (30, 8590536), (36, 7158780), (40, 6442902), (45, 5727024), (48, 5369085), (54, 4772520), (60, 4295268), (72, 3579390), (80, 3221451), (81, 3181680), (90, 2863512), (108, 2386260), (120, 2147634), (135, 1909008), (144, 1789695), (162, 1590840), (180, 1431756), (216, 1193130), (240, 1073817), (243, 1060560), (270, 954504), (324, 795420), (360, 715878), (405, 636336), (432, 596565), (486, 530280), (491, 524880), (540, 477252), (648, 397710), (720, 357939), (729, 353520), (810, 318168), (972, 265140), (982, 262440), (1080, 238626), (1215, 212112), (1296, 198855), (1458, 176760), (1473, 174960), (1620, 159084), (1944, 132570), (1964, 131220), (2160, 119313), (2187, 117840), (2430, 106056), (2455, 104976), (2916, 88380), (2946, 87480), (3240, 79542), (3645, 70704), (3888, 66285), (3928, 65610), (4374, 58920), (4419, 58320), (4860, 53028), (4910, 52488), (5832, 44190), (5892, 43740), (6480, 39771), (6561, 39280), (7290, 35352), (7365, 34992), (7856, 32805), (8748, 29460), (8838, 29160), (9720, 26514), (9820, 26244), (10935, 23568), (11664, 22095), (11784, 21870), (13122, 19640), (13257, 19440), (14580, 17676), (14730, 17496)]