306880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{137}}^1$

素因数の和:161

約数の個数: 56

約数和(自身を含む): 841248

約数和(自身を除く): 534368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 137, 140, 160, 224, 274, 280, 320, 448, 548, 560, 685, 959, 1096, 1120, 1370, 1918, 2192, 2240, 2740, 3836, 4384, 4795, 5480, 7672, 8768, 9590, 10960, 15344, 19180, 21920, 30688, 38360, 43840, 61376, 76720, 153440, 306880]

約数ペア:

[(1, 306880), (2, 153440), (4, 76720), (5, 61376), (7, 43840), (8, 38360), (10, 30688), (14, 21920), (16, 19180), (20, 15344), (28, 10960), (32, 9590), (35, 8768), (40, 7672), (56, 5480), (64, 4795), (70, 4384), (80, 3836), (112, 2740), (137, 2240), (140, 2192), (160, 1918), (224, 1370), (274, 1120), (280, 1096), (320, 959), (448, 685), (548, 560)]