161331520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{10289}}^1$

素因数の和:10320

約数の個数: 84

約数和(自身を含む): 446935860

約数和(自身を除く): 285604340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 10289, 15680, 20578, 41156, 51445, 72023, 82312, 102890, 144046, 164624, 205780, 288092, 329248, 360115, 411560, 504161, 576184, 658496, 720230, 823120, 1008322, 1152368, 1440460, 1646240, 2016644, 2304736, 2520805, 2880920, 3292480, 4033288, 4609472, 5041610, 5761840, 8066576, 10083220, 11523680, 16133152, 20166440, 23047360, 32266304, 40332880, 80665760, 161331520]

約数ペア:

[(1, 161331520), (2, 80665760), (4, 40332880), (5, 32266304), (7, 23047360), (8, 20166440), (10, 16133152), (14, 11523680), (16, 10083220), (20, 8066576), (28, 5761840), (32, 5041610), (35, 4609472), (40, 4033288), (49, 3292480), (56, 2880920), (64, 2520805), (70, 2304736), (80, 2016644), (98, 1646240), (112, 1440460), (140, 1152368), (160, 1008322), (196, 823120), (224, 720230), (245, 658496), (280, 576184), (320, 504161), (392, 411560), (448, 360115), (490, 329248), (560, 288092), (784, 205780), (980, 164624), (1120, 144046), (1568, 102890), (1960, 82312), (2240, 72023), (3136, 51445), (3920, 41156), (7840, 20578), (10289, 15680)]