254521440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:547

約数の個数: 240

約数和(自身を含む): 922078080

約数和(自身を除く): 667556640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 72, 80, 81, 82, 90, 96, 108, 120, 123, 135, 144, 160, 162, 164, 180, 205, 216, 240, 246, 270, 288, 324, 328, 360, 369, 405, 410, 432, 479, 480, 492, 540, 615, 648, 656, 720, 738, 810, 820, 864, 958, 984, 1080, 1107, 1230, 1296, 1312, 1437, 1440, 1476, 1620, 1640, 1845, 1916, 1968, 2160, 2214, 2395, 2460, 2592, 2874, 2952, 3240, 3280, 3321, 3690, 3832, 3936, 4311, 4320, 4428, 4790, 4920, 5535, 5748, 5904, 6480, 6560, 6642, 7185, 7380, 7664, 8622, 8856, 9580, 9840, 11070, 11496, 11808, 12933, 12960, 13284, 14370, 14760, 15328, 16605, 17244, 17712, 19160, 19639, 19680, 21555, 22140, 22992, 25866, 26568, 28740, 29520, 33210, 34488, 35424, 38320, 38799, 39278, 43110, 44280, 45984, 51732, 53136, 57480, 58917, 59040, 64665, 66420, 68976, 76640, 77598, 78556, 86220, 88560, 98195, 103464, 106272, 114960, 117834, 129330, 132840, 137952, 155196, 157112, 172440, 176751, 177120, 193995, 196390, 206928, 229920, 235668, 258660, 265680, 294585, 310392, 314224, 344880, 353502, 387990, 392780, 413856, 471336, 517320, 530253, 531360, 589170, 620784, 628448, 689760, 707004, 775980, 785560, 883755, 942672, 1034640, 1060506, 1178340, 1241568, 1414008, 1551960, 1571120, 1590759, 1767510, 1885344, 2069280, 2121012, 2356680, 2651265, 2828016, 3103920, 3142240, 3181518, 3535020, 4242024, 4713360, 5302530, 5656032, 6207840, 6363036, 7070040, 7953795, 8484048, 9426720, 10605060, 12726072, 14140080, 15907590, 16968096, 21210120, 25452144, 28280160, 31815180, 42420240, 50904288, 63630360, 84840480, 127260720, 254521440]

約数ペア:

[(1, 254521440), (2, 127260720), (3, 84840480), (4, 63630360), (5, 50904288), (6, 42420240), (8, 31815180), (9, 28280160), (10, 25452144), (12, 21210120), (15, 16968096), (16, 15907590), (18, 14140080), (20, 12726072), (24, 10605060), (27, 9426720), (30, 8484048), (32, 7953795), (36, 7070040), (40, 6363036), (41, 6207840), (45, 5656032), (48, 5302530), (54, 4713360), (60, 4242024), (72, 3535020), (80, 3181518), (81, 3142240), (82, 3103920), (90, 2828016), (96, 2651265), (108, 2356680), (120, 2121012), (123, 2069280), (135, 1885344), (144, 1767510), (160, 1590759), (162, 1571120), (164, 1551960), (180, 1414008), (205, 1241568), (216, 1178340), (240, 1060506), (246, 1034640), (270, 942672), (288, 883755), (324, 785560), (328, 775980), (360, 707004), (369, 689760), (405, 628448), (410, 620784), (432, 589170), (479, 531360), (480, 530253), (492, 517320), (540, 471336), (615, 413856), (648, 392780), (656, 387990), (720, 353502), (738, 344880), (810, 314224), (820, 310392), (864, 294585), (958, 265680), (984, 258660), (1080, 235668), (1107, 229920), (1230, 206928), (1296, 196390), (1312, 193995), (1437, 177120), (1440, 176751), (1476, 172440), (1620, 157112), (1640, 155196), (1845, 137952), (1916, 132840), (1968, 129330), (2160, 117834), (2214, 114960), (2395, 106272), (2460, 103464), (2592, 98195), (2874, 88560), (2952, 86220), (3240, 78556), (3280, 77598), (3321, 76640), (3690, 68976), (3832, 66420), (3936, 64665), (4311, 59040), (4320, 58917), (4428, 57480), (4790, 53136), (4920, 51732), (5535, 45984), (5748, 44280), (5904, 43110), (6480, 39278), (6560, 38799), (6642, 38320), (7185, 35424), (7380, 34488), (7664, 33210), (8622, 29520), (8856, 28740), (9580, 26568), (9840, 25866), (11070, 22992), (11496, 22140), (11808, 21555), (12933, 19680), (12960, 19639), (13284, 19160), (14370, 17712), (14760, 17244), (15328, 16605)]