81689472

素因数分解:

$2^7\times 3^4\times {\mathrm{7879}}^1$

素因数の和:7905

約数の個数: 80

約数和(自身を含む): 243137400

約数和(自身を除く): 161447928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 7879, 10368, 15758, 23637, 31516, 47274, 63032, 70911, 94548, 126064, 141822, 189096, 212733, 252128, 283644, 378192, 425466, 504256, 567288, 638199, 756384, 850932, 1008512, 1134576, 1276398, 1512768, 1701864, 2269152, 2552796, 3025536, 3403728, 4538304, 5105592, 6807456, 9076608, 10211184, 13614912, 20422368, 27229824, 40844736, 81689472]

約数ペア:

[(1, 81689472), (2, 40844736), (3, 27229824), (4, 20422368), (6, 13614912), (8, 10211184), (9, 9076608), (12, 6807456), (16, 5105592), (18, 4538304), (24, 3403728), (27, 3025536), (32, 2552796), (36, 2269152), (48, 1701864), (54, 1512768), (64, 1276398), (72, 1134576), (81, 1008512), (96, 850932), (108, 756384), (128, 638199), (144, 567288), (162, 504256), (192, 425466), (216, 378192), (288, 283644), (324, 252128), (384, 212733), (432, 189096), (576, 141822), (648, 126064), (864, 94548), (1152, 70911), (1296, 63032), (1728, 47274), (2592, 31516), (3456, 23637), (5184, 15758), (7879, 10368)]