720142528

素因数分解:

$2^6\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 112

約数和(自身を含む): 1677521664

約数和(自身を除く): 957379136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 107, 112, 166, 181, 214, 224, 332, 362, 428, 448, 581, 664, 724, 749, 856, 1162, 1267, 1328, 1448, 1498, 1712, 2324, 2534, 2656, 2896, 2996, 3424, 4648, 5068, 5312, 5792, 5992, 6848, 8881, 9296, 10136, 11584, 11984, 15023, 17762, 18592, 19367, 20272, 23968, 30046, 35524, 37184, 38734, 40544, 47936, 60092, 62167, 71048, 77468, 81088, 105161, 120184, 124334, 135569, 142096, 154936, 210322, 240368, 248668, 271138, 284192, 309872, 420644, 480736, 497336, 542276, 568384, 619744, 841288, 961472, 994672, 1084552, 1239488, 1607461, 1682576, 1989344, 2169104, 3214922, 3365152, 3978688, 4338208, 6429844, 6730304, 8676416, 11252227, 12859688, 22504454, 25719376, 45008908, 51438752, 90017816, 102877504, 180035632, 360071264, 720142528]

約数ペア:

[(1, 720142528), (2, 360071264), (4, 180035632), (7, 102877504), (8, 90017816), (14, 51438752), (16, 45008908), (28, 25719376), (32, 22504454), (56, 12859688), (64, 11252227), (83, 8676416), (107, 6730304), (112, 6429844), (166, 4338208), (181, 3978688), (214, 3365152), (224, 3214922), (332, 2169104), (362, 1989344), (428, 1682576), (448, 1607461), (581, 1239488), (664, 1084552), (724, 994672), (749, 961472), (856, 841288), (1162, 619744), (1267, 568384), (1328, 542276), (1448, 497336), (1498, 480736), (1712, 420644), (2324, 309872), (2534, 284192), (2656, 271138), (2896, 248668), (2996, 240368), (3424, 210322), (4648, 154936), (5068, 142096), (5312, 135569), (5792, 124334), (5992, 120184), (6848, 105161), (8881, 81088), (9296, 77468), (10136, 71048), (11584, 62167), (11984, 60092), (15023, 47936), (17762, 40544), (18592, 38734), (19367, 37184), (20272, 35524), (23968, 30046)]