646042880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{72103}}^1$

素因数の和:72131

約数の個数: 72

約数和(自身を含む): 1768566912

約数和(自身を除く): 1122524032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 72103, 144206, 288412, 360515, 504721, 576824, 721030, 1009442, 1153648, 1442060, 2018884, 2307296, 2523605, 2884120, 4037768, 4614592, 5047210, 5768240, 8075536, 9229184, 10094420, 11536480, 16151072, 18458368, 20188840, 23072960, 32302144, 40377680, 46145920, 64604288, 80755360, 92291840, 129208576, 161510720, 323021440, 646042880]

約数ペア:

[(1, 646042880), (2, 323021440), (4, 161510720), (5, 129208576), (7, 92291840), (8, 80755360), (10, 64604288), (14, 46145920), (16, 40377680), (20, 32302144), (28, 23072960), (32, 20188840), (35, 18458368), (40, 16151072), (56, 11536480), (64, 10094420), (70, 9229184), (80, 8075536), (112, 5768240), (128, 5047210), (140, 4614592), (160, 4037768), (224, 2884120), (256, 2523605), (280, 2307296), (320, 2018884), (448, 1442060), (560, 1153648), (640, 1009442), (896, 721030), (1120, 576824), (1280, 504721), (1792, 360515), (2240, 288412), (4480, 144206), (8960, 72103)]