215786280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:835

約数の個数: 128

約数和(自身を含む): 674956800

約数和(自身を除く): 459170520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 61, 82, 120, 122, 123, 164, 183, 205, 244, 246, 305, 328, 366, 410, 488, 492, 610, 615, 719, 732, 820, 915, 984, 1220, 1230, 1438, 1464, 1640, 1830, 2157, 2440, 2460, 2501, 2876, 3595, 3660, 4314, 4920, 5002, 5752, 7190, 7320, 7503, 8628, 10004, 10785, 12505, 14380, 15006, 17256, 20008, 21570, 25010, 28760, 29479, 30012, 37515, 43140, 43859, 50020, 58958, 60024, 75030, 86280, 87718, 88437, 100040, 117916, 131577, 147395, 150060, 175436, 176874, 219295, 235832, 263154, 294790, 300120, 350872, 353748, 438590, 442185, 526308, 589580, 657885, 707496, 877180, 884370, 1052616, 1179160, 1315770, 1754360, 1768740, 1798219, 2631540, 3537480, 3596438, 5263080, 5394657, 7192876, 8991095, 10789314, 14385752, 17982190, 21578628, 26973285, 35964380, 43157256, 53946570, 71928760, 107893140, 215786280]

約数ペア:

[(1, 215786280), (2, 107893140), (3, 71928760), (4, 53946570), (5, 43157256), (6, 35964380), (8, 26973285), (10, 21578628), (12, 17982190), (15, 14385752), (20, 10789314), (24, 8991095), (30, 7192876), (40, 5394657), (41, 5263080), (60, 3596438), (61, 3537480), (82, 2631540), (120, 1798219), (122, 1768740), (123, 1754360), (164, 1315770), (183, 1179160), (205, 1052616), (244, 884370), (246, 877180), (305, 707496), (328, 657885), (366, 589580), (410, 526308), (488, 442185), (492, 438590), (610, 353748), (615, 350872), (719, 300120), (732, 294790), (820, 263154), (915, 235832), (984, 219295), (1220, 176874), (1230, 175436), (1438, 150060), (1464, 147395), (1640, 131577), (1830, 117916), (2157, 100040), (2440, 88437), (2460, 87718), (2501, 86280), (2876, 75030), (3595, 60024), (3660, 58958), (4314, 50020), (4920, 43859), (5002, 43140), (5752, 37515), (7190, 30012), (7320, 29479), (7503, 28760), (8628, 25010), (10004, 21570), (10785, 20008), (12505, 17256), (14380, 15006)]