61538560

素因数分解:

$2^8\times 5^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 148934016

約数和(自身を除く): 87395456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 256, 262, 320, 367, 524, 640, 655, 734, 1048, 1280, 1310, 1468, 1835, 2096, 2620, 2936, 3670, 4192, 5240, 5872, 7340, 8384, 10480, 11744, 14680, 16768, 20960, 23488, 29360, 33536, 41920, 46976, 48077, 58720, 83840, 93952, 96154, 117440, 167680, 192308, 234880, 240385, 384616, 469760, 480770, 769232, 961540, 1538464, 1923080, 3076928, 3846160, 6153856, 7692320, 12307712, 15384640, 30769280, 61538560]

約数ペア:

[(1, 61538560), (2, 30769280), (4, 15384640), (5, 12307712), (8, 7692320), (10, 6153856), (16, 3846160), (20, 3076928), (32, 1923080), (40, 1538464), (64, 961540), (80, 769232), (128, 480770), (131, 469760), (160, 384616), (256, 240385), (262, 234880), (320, 192308), (367, 167680), (524, 117440), (640, 96154), (655, 93952), (734, 83840), (1048, 58720), (1280, 48077), (1310, 46976), (1468, 41920), (1835, 33536), (2096, 29360), (2620, 23488), (2936, 20960), (3670, 16768), (4192, 14680), (5240, 11744), (5872, 10480), (7340, 8384)]