319359520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^3\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 791271936

約数和(自身を除く): 471912416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 67, 80, 124, 134, 155, 160, 248, 268, 310, 335, 496, 536, 620, 670, 961, 992, 1072, 1240, 1340, 1922, 2077, 2144, 2480, 2680, 3844, 4154, 4805, 4960, 5360, 7688, 8308, 9610, 10385, 10720, 15376, 16616, 19220, 20770, 29791, 30752, 33232, 38440, 41540, 59582, 64387, 66464, 76880, 83080, 119164, 128774, 148955, 153760, 166160, 238328, 257548, 297910, 321935, 332320, 476656, 515096, 595820, 643870, 953312, 1030192, 1191640, 1287740, 1995997, 2060384, 2383280, 2575480, 3991994, 4766560, 5150960, 7983988, 9979985, 10301920, 15967976, 19959970, 31935952, 39919940, 63871904, 79839880, 159679760, 319359520]

約数ペア:

[(1, 319359520), (2, 159679760), (4, 79839880), (5, 63871904), (8, 39919940), (10, 31935952), (16, 19959970), (20, 15967976), (31, 10301920), (32, 9979985), (40, 7983988), (62, 5150960), (67, 4766560), (80, 3991994), (124, 2575480), (134, 2383280), (155, 2060384), (160, 1995997), (248, 1287740), (268, 1191640), (310, 1030192), (335, 953312), (496, 643870), (536, 595820), (620, 515096), (670, 476656), (961, 332320), (992, 321935), (1072, 297910), (1240, 257548), (1340, 238328), (1922, 166160), (2077, 153760), (2144, 148955), (2480, 128774), (2680, 119164), (3844, 83080), (4154, 76880), (4805, 66464), (4960, 64387), (5360, 59582), (7688, 41540), (8308, 38440), (9610, 33232), (10385, 30752), (10720, 29791), (15376, 20770), (16616, 19220)]