158601920

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1129}}^1$

素因数の和:1585

約数の個数: 56

約数和(自身を含む): 378866400

約数和(自身を除く): 220264480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 878, 1129, 1756, 2195, 2258, 3512, 4390, 4516, 5645, 7024, 8780, 9032, 11290, 14048, 17560, 18064, 22580, 28096, 35120, 36128, 45160, 70240, 72256, 90320, 140480, 180640, 361280, 495631, 991262, 1982524, 2478155, 3965048, 4956310, 7930096, 9912620, 15860192, 19825240, 31720384, 39650480, 79300960, 158601920]

約数ペア:

[(1, 158601920), (2, 79300960), (4, 39650480), (5, 31720384), (8, 19825240), (10, 15860192), (16, 9912620), (20, 7930096), (32, 4956310), (40, 3965048), (64, 2478155), (80, 1982524), (160, 991262), (320, 495631), (439, 361280), (878, 180640), (1129, 140480), (1756, 90320), (2195, 72256), (2258, 70240), (3512, 45160), (4390, 36128), (4516, 35120), (5645, 28096), (7024, 22580), (8780, 18064), (9032, 17560), (11290, 14048)]