165964960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{21169}}^1$

素因数の和:21198

約数の個数: 72

約数和(自身を含む): 456128820

約数和(自身を除く): 290163860

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, 21169, 42338, 84676, 105845, 148183, 169352, 211690, 296366, 338704, 423380, 592732, 677408, 740915, 846760, 1037281, 1185464, 1481830, 1693520, 2074562, 2370928, 2963660, 3387040, 4149124, 4741856, 5186405, 5927320, 8298248, 10372810, 11854640, 16596496, 20745620, 23709280, 33192992, 41491240, 82982480, 165964960]

約数ペア:

[(1, 165964960), (2, 82982480), (4, 41491240), (5, 33192992), (7, 23709280), (8, 20745620), (10, 16596496), (14, 11854640), (16, 10372810), (20, 8298248), (28, 5927320), (32, 5186405), (35, 4741856), (40, 4149124), (49, 3387040), (56, 2963660), (70, 2370928), (80, 2074562), (98, 1693520), (112, 1481830), (140, 1185464), (160, 1037281), (196, 846760), (224, 740915), (245, 677408), (280, 592732), (392, 423380), (490, 338704), (560, 296366), (784, 211690), (980, 169352), (1120, 148183), (1568, 105845), (1960, 84676), (3920, 42338), (7840, 21169)]