178145968

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 160

約数和(自身を含む): 474969600

約数和(自身を除く): 296823632

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 227, 286, 308, 343, 364, 392, 454, 539, 572, 616, 637, 686, 728, 784, 908, 1001, 1078, 1144, 1232, 1274, 1372, 1456, 1589, 1816, 2002, 2156, 2288, 2497, 2548, 2744, 2951, 3178, 3632, 3773, 4004, 4312, 4459, 4994, 5096, 5488, 5902, 6356, 7007, 7546, 8008, 8624, 8918, 9988, 10192, 11123, 11804, 12712, 14014, 15092, 16016, 17479, 17836, 19976, 20657, 22246, 23608, 25424, 28028, 30184, 32461, 34958, 35672, 39952, 41314, 44492, 47216, 49049, 56056, 60368, 64922, 69916, 71344, 77861, 82628, 88984, 98098, 112112, 122353, 129844, 139832, 144599, 155722, 165256, 177968, 196196, 227227, 244706, 259688, 279664, 289198, 311444, 330512, 392392, 454454, 489412, 519376, 578396, 622888, 784784, 856471, 908908, 978824, 1012193, 1156792, 1245776, 1590589, 1712942, 1817816, 1957648, 2024386, 2313584, 3181178, 3425884, 3635632, 4048772, 6362356, 6851768, 8097544, 11134123, 12724712, 13703536, 16195088, 22268246, 25449424, 44536492, 89072984, 178145968]

約数ペア:

[(1, 178145968), (2, 89072984), (4, 44536492), (7, 25449424), (8, 22268246), (11, 16195088), (13, 13703536), (14, 12724712), (16, 11134123), (22, 8097544), (26, 6851768), (28, 6362356), (44, 4048772), (49, 3635632), (52, 3425884), (56, 3181178), (77, 2313584), (88, 2024386), (91, 1957648), (98, 1817816), (104, 1712942), (112, 1590589), (143, 1245776), (154, 1156792), (176, 1012193), (182, 978824), (196, 908908), (208, 856471), (227, 784784), (286, 622888), (308, 578396), (343, 519376), (364, 489412), (392, 454454), (454, 392392), (539, 330512), (572, 311444), (616, 289198), (637, 279664), (686, 259688), (728, 244706), (784, 227227), (908, 196196), (1001, 177968), (1078, 165256), (1144, 155722), (1232, 144599), (1274, 139832), (1372, 129844), (1456, 122353), (1589, 112112), (1816, 98098), (2002, 88984), (2156, 82628), (2288, 77861), (2497, 71344), (2548, 69916), (2744, 64922), (2951, 60368), (3178, 56056), (3632, 49049), (3773, 47216), (4004, 44492), (4312, 41314), (4459, 39952), (4994, 35672), (5096, 34958), (5488, 32461), (5902, 30184), (6356, 28028), (7007, 25424), (7546, 23608), (8008, 22246), (8624, 20657), (8918, 19976), (9988, 17836), (10192, 17479), (11123, 16016), (11804, 15092), (12712, 14014)]