163832480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{20897}}^1$

素因数の和:20926

約数の個数: 72

約数和(自身を含む): 450268308

約数和(自身を除く): 286435828

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 20897, 41794, 83588, 104485, 146279, 167176, 208970, 292558, 334352, 417940, 585116, 668704, 731395, 835880, 1023953, 1170232, 1462790, 1671760, 2047906, 2340464, 2925580, 3343520, 4095812, 4680928, 5119765, 5851160, 8191624, 10239530, 11702320, 16383248, 20479060, 23404640, 32766496, 40958120, 81916240, 163832480]

約数ペア:

[(1, 163832480), (2, 81916240), (4, 40958120), (5, 32766496), (7, 23404640), (8, 20479060), (10, 16383248), (14, 11702320), (16, 10239530), (20, 8191624), (28, 5851160), (32, 5119765), (35, 4680928), (40, 4095812), (49, 3343520), (56, 2925580), (70, 2340464), (80, 2047906), (98, 1671760), (112, 1462790), (140, 1170232), (160, 1023953), (196, 835880), (224, 731395), (245, 668704), (280, 585116), (392, 417940), (490, 334352), (560, 292558), (784, 208970), (980, 167176), (1120, 146279), (1568, 104485), (1960, 83588), (3920, 41794), (7840, 20897)]