260720928

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:951

約数の個数: 144

約数和(自身を含む): 809040960

約数和(自身を除く): 548320032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 83, 96, 104, 117, 144, 156, 166, 208, 234, 249, 288, 312, 332, 416, 468, 498, 624, 664, 747, 839, 936, 996, 1079, 1248, 1328, 1494, 1678, 1872, 1992, 2158, 2517, 2656, 2988, 3237, 3356, 3744, 3984, 4316, 5034, 5976, 6474, 6712, 7551, 7968, 8632, 9711, 10068, 10907, 11952, 12948, 13424, 15102, 17264, 19422, 20136, 21814, 23904, 25896, 26848, 30204, 32721, 34528, 38844, 40272, 43628, 51792, 60408, 65442, 69637, 77688, 80544, 87256, 98163, 103584, 120816, 130884, 139274, 155376, 174512, 196326, 208911, 241632, 261768, 278548, 310752, 349024, 392652, 417822, 523536, 557096, 626733, 785304, 835644, 905281, 1047072, 1114192, 1253466, 1570608, 1671288, 1810562, 2228384, 2506932, 2715843, 3141216, 3342576, 3621124, 5013864, 5431686, 6685152, 7242248, 8147529, 10027728, 10863372, 14484496, 16295058, 20055456, 21726744, 28968992, 32590116, 43453488, 65180232, 86906976, 130360464, 260720928]

約数ペア:

[(1, 260720928), (2, 130360464), (3, 86906976), (4, 65180232), (6, 43453488), (8, 32590116), (9, 28968992), (12, 21726744), (13, 20055456), (16, 16295058), (18, 14484496), (24, 10863372), (26, 10027728), (32, 8147529), (36, 7242248), (39, 6685152), (48, 5431686), (52, 5013864), (72, 3621124), (78, 3342576), (83, 3141216), (96, 2715843), (104, 2506932), (117, 2228384), (144, 1810562), (156, 1671288), (166, 1570608), (208, 1253466), (234, 1114192), (249, 1047072), (288, 905281), (312, 835644), (332, 785304), (416, 626733), (468, 557096), (498, 523536), (624, 417822), (664, 392652), (747, 349024), (839, 310752), (936, 278548), (996, 261768), (1079, 241632), (1248, 208911), (1328, 196326), (1494, 174512), (1678, 155376), (1872, 139274), (1992, 130884), (2158, 120816), (2517, 103584), (2656, 98163), (2988, 87256), (3237, 80544), (3356, 77688), (3744, 69637), (3984, 65442), (4316, 60408), (5034, 51792), (5976, 43628), (6474, 40272), (6712, 38844), (7551, 34528), (7968, 32721), (8632, 30204), (9711, 26848), (10068, 25896), (10907, 23904), (11952, 21814), (12948, 20136), (13424, 19422), (15102, 17264)]