208736080

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{7607}}^1$

素因数の和:7641

約数の個数: 80

約数和(自身を含む): 566035200

約数和(自身を除く): 357299120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 7607, 13720, 15214, 27440, 30428, 38035, 53249, 60856, 76070, 106498, 121712, 152140, 212996, 266245, 304280, 372743, 425992, 532490, 608560, 745486, 851984, 1064980, 1490972, 1863715, 2129960, 2609201, 2981944, 3727430, 4259920, 5218402, 5963888, 7454860, 10436804, 13046005, 14909720, 20873608, 26092010, 29819440, 41747216, 52184020, 104368040, 208736080]

約数ペア:

[(1, 208736080), (2, 104368040), (4, 52184020), (5, 41747216), (7, 29819440), (8, 26092010), (10, 20873608), (14, 14909720), (16, 13046005), (20, 10436804), (28, 7454860), (35, 5963888), (40, 5218402), (49, 4259920), (56, 3727430), (70, 2981944), (80, 2609201), (98, 2129960), (112, 1863715), (140, 1490972), (196, 1064980), (245, 851984), (280, 745486), (343, 608560), (392, 532490), (490, 425992), (560, 372743), (686, 304280), (784, 266245), (980, 212996), (1372, 152140), (1715, 121712), (1960, 106498), (2744, 76070), (3430, 60856), (3920, 53249), (5488, 38035), (6860, 30428), (7607, 27440), (13720, 15214)]