254592720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:515

約数の個数: 200

約数和(自身を含む): 895288680

約数和(自身を除く): 640695960

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, 101, 108, 120, 135, 144, 162, 180, 202, 216, 240, 270, 303, 324, 360, 389, 404, 405, 432, 505, 540, 606, 648, 720, 778, 808, 810, 909, 1010, 1080, 1167, 1212, 1296, 1515, 1556, 1616, 1620, 1818, 1945, 2020, 2160, 2334, 2424, 2727, 3030, 3112, 3240, 3501, 3636, 3890, 4040, 4545, 4668, 4848, 5454, 5835, 6060, 6224, 6480, 7002, 7272, 7780, 8080, 8181, 9090, 9336, 10503, 10908, 11670, 12120, 13635, 14004, 14544, 15560, 16362, 17505, 18180, 18672, 21006, 21816, 23340, 24240, 27270, 28008, 31120, 31509, 32724, 35010, 36360, 39289, 40905, 42012, 43632, 46680, 52515, 54540, 56016, 63018, 65448, 70020, 72720, 78578, 81810, 84024, 93360, 105030, 109080, 117867, 126036, 130896, 140040, 157156, 157545, 163620, 168048, 196445, 210060, 218160, 235734, 252072, 280080, 314312, 315090, 327240, 353601, 392890, 420120, 471468, 504144, 589335, 628624, 630180, 654480, 707202, 785780, 840240, 942936, 1060803, 1178670, 1260360, 1414404, 1571560, 1768005, 1885872, 2121606, 2357340, 2520720, 2828808, 3143120, 3182409, 3536010, 4243212, 4714680, 5304015, 5657616, 6364818, 7072020, 8486424, 9429360, 10608030, 12729636, 14144040, 15912045, 16972848, 21216060, 25459272, 28288080, 31824090, 42432120, 50918544, 63648180, 84864240, 127296360, 254592720]

約数ペア:

[(1, 254592720), (2, 127296360), (3, 84864240), (4, 63648180), (5, 50918544), (6, 42432120), (8, 31824090), (9, 28288080), (10, 25459272), (12, 21216060), (15, 16972848), (16, 15912045), (18, 14144040), (20, 12729636), (24, 10608030), (27, 9429360), (30, 8486424), (36, 7072020), (40, 6364818), (45, 5657616), (48, 5304015), (54, 4714680), (60, 4243212), (72, 3536010), (80, 3182409), (81, 3143120), (90, 2828808), (101, 2520720), (108, 2357340), (120, 2121606), (135, 1885872), (144, 1768005), (162, 1571560), (180, 1414404), (202, 1260360), (216, 1178670), (240, 1060803), (270, 942936), (303, 840240), (324, 785780), (360, 707202), (389, 654480), (404, 630180), (405, 628624), (432, 589335), (505, 504144), (540, 471468), (606, 420120), (648, 392890), (720, 353601), (778, 327240), (808, 315090), (810, 314312), (909, 280080), (1010, 252072), (1080, 235734), (1167, 218160), (1212, 210060), (1296, 196445), (1515, 168048), (1556, 163620), (1616, 157545), (1620, 157156), (1818, 140040), (1945, 130896), (2020, 126036), (2160, 117867), (2334, 109080), (2424, 105030), (2727, 93360), (3030, 84024), (3112, 81810), (3240, 78578), (3501, 72720), (3636, 70020), (3890, 65448), (4040, 63018), (4545, 56016), (4668, 54540), (4848, 52515), (5454, 46680), (5835, 43632), (6060, 42012), (6224, 40905), (6480, 39289), (7002, 36360), (7272, 35010), (7780, 32724), (8080, 31509), (8181, 31120), (9090, 28008), (9336, 27270), (10503, 24240), (10908, 23340), (11670, 21816), (12120, 21006), (13635, 18672), (14004, 18180), (14544, 17505), (15560, 16362)]