157723160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{80471}}^1$

素因数の和:80496

約数の個数: 48

約数和(自身を含む): 412821360

約数和(自身を除く): 255098200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 80471, 160942, 321884, 402355, 563297, 643768, 804710, 1126594, 1609420, 2253188, 2816485, 3218840, 3943079, 4506376, 5632970, 7886158, 11265940, 15772316, 19715395, 22531880, 31544632, 39430790, 78861580, 157723160]

約数ペア:

[(1, 157723160), (2, 78861580), (4, 39430790), (5, 31544632), (7, 22531880), (8, 19715395), (10, 15772316), (14, 11265940), (20, 7886158), (28, 5632970), (35, 4506376), (40, 3943079), (49, 3218840), (56, 2816485), (70, 2253188), (98, 1609420), (140, 1126594), (196, 804710), (245, 643768), (280, 563297), (392, 402355), (490, 321884), (980, 160942), (1960, 80471)]