165427840

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4877}}^1$

素因数の和:4949

約数の個数: 64

約数和(自身を含む): 403020360

約数和(自身を除く): 237592520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 4240, 4877, 6784, 8480, 9754, 16960, 19508, 24385, 33920, 39016, 48770, 78032, 97540, 156064, 195080, 258481, 312128, 390160, 516962, 624256, 780320, 1033924, 1292405, 1560640, 2067848, 2584810, 3121280, 4135696, 5169620, 8271392, 10339240, 16542784, 20678480, 33085568, 41356960, 82713920, 165427840]

約数ペア:

[(1, 165427840), (2, 82713920), (4, 41356960), (5, 33085568), (8, 20678480), (10, 16542784), (16, 10339240), (20, 8271392), (32, 5169620), (40, 4135696), (53, 3121280), (64, 2584810), (80, 2067848), (106, 1560640), (128, 1292405), (160, 1033924), (212, 780320), (265, 624256), (320, 516962), (424, 390160), (530, 312128), (640, 258481), (848, 195080), (1060, 156064), (1696, 97540), (2120, 78032), (3392, 48770), (4240, 39016), (4877, 33920), (6784, 24385), (8480, 19508), (9754, 16960)]