1227520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{137}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 3384864

約数和(自身を除く): 2157344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 137, 140, 160, 224, 256, 274, 280, 320, 448, 548, 560, 640, 685, 896, 959, 1096, 1120, 1280, 1370, 1792, 1918, 2192, 2240, 2740, 3836, 4384, 4480, 4795, 5480, 7672, 8768, 8960, 9590, 10960, 15344, 17536, 19180, 21920, 30688, 35072, 38360, 43840, 61376, 76720, 87680, 122752, 153440, 175360, 245504, 306880, 613760, 1227520]

約数ペア:

[(1, 1227520), (2, 613760), (4, 306880), (5, 245504), (7, 175360), (8, 153440), (10, 122752), (14, 87680), (16, 76720), (20, 61376), (28, 43840), (32, 38360), (35, 35072), (40, 30688), (56, 21920), (64, 19180), (70, 17536), (80, 15344), (112, 10960), (128, 9590), (137, 8960), (140, 8768), (160, 7672), (224, 5480), (256, 4795), (274, 4480), (280, 4384), (320, 3836), (448, 2740), (548, 2240), (560, 2192), (640, 1918), (685, 1792), (896, 1370), (959, 1280), (1096, 1120)]