68517680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:272

約数の個数: 160

約数和(自身を含む): 203558400

約数和(自身を除く): 135040720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 227, 245, 280, 308, 343, 385, 392, 440, 454, 490, 539, 560, 616, 686, 770, 784, 880, 908, 980, 1078, 1135, 1232, 1372, 1540, 1589, 1715, 1816, 1960, 2156, 2270, 2497, 2695, 2744, 3080, 3178, 3430, 3632, 3773, 3920, 4312, 4540, 4994, 5390, 5488, 6160, 6356, 6860, 7546, 7945, 8624, 9080, 9988, 10780, 11123, 12485, 12712, 13720, 15092, 15890, 17479, 18160, 18865, 19976, 21560, 22246, 24970, 25424, 27440, 30184, 31780, 34958, 37730, 39952, 43120, 44492, 49940, 55615, 60368, 63560, 69916, 75460, 77861, 87395, 88984, 99880, 111230, 122353, 127120, 139832, 150920, 155722, 174790, 177968, 199760, 222460, 244706, 279664, 301840, 311444, 349580, 389305, 444920, 489412, 611765, 622888, 699160, 778610, 856471, 889840, 978824, 1223530, 1245776, 1398320, 1557220, 1712942, 1957648, 2447060, 3114440, 3425884, 4282355, 4894120, 6228880, 6851768, 8564710, 9788240, 13703536, 17129420, 34258840, 68517680]

約数ペア:

[(1, 68517680), (2, 34258840), (4, 17129420), (5, 13703536), (7, 9788240), (8, 8564710), (10, 6851768), (11, 6228880), (14, 4894120), (16, 4282355), (20, 3425884), (22, 3114440), (28, 2447060), (35, 1957648), (40, 1712942), (44, 1557220), (49, 1398320), (55, 1245776), (56, 1223530), (70, 978824), (77, 889840), (80, 856471), (88, 778610), (98, 699160), (110, 622888), (112, 611765), (140, 489412), (154, 444920), (176, 389305), (196, 349580), (220, 311444), (227, 301840), (245, 279664), (280, 244706), (308, 222460), (343, 199760), (385, 177968), (392, 174790), (440, 155722), (454, 150920), (490, 139832), (539, 127120), (560, 122353), (616, 111230), (686, 99880), (770, 88984), (784, 87395), (880, 77861), (908, 75460), (980, 69916), (1078, 63560), (1135, 60368), (1232, 55615), (1372, 49940), (1540, 44492), (1589, 43120), (1715, 39952), (1816, 37730), (1960, 34958), (2156, 31780), (2270, 30184), (2497, 27440), (2695, 25424), (2744, 24970), (3080, 22246), (3178, 21560), (3430, 19976), (3632, 18865), (3773, 18160), (3920, 17479), (4312, 15890), (4540, 15092), (4994, 13720), (5390, 12712), (5488, 12485), (6160, 11123), (6356, 10780), (6860, 9988), (7546, 9080), (7945, 8624)]