158577280

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1951}}^1$

素因数の和:2097

約数の個数: 64

約数和(自身を含む): 382279680

約数和(自身を除く): 223702400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 1951, 2032, 2540, 3902, 4064, 5080, 7804, 8128, 9755, 10160, 15608, 16256, 19510, 20320, 31216, 39020, 40640, 62432, 78040, 81280, 124864, 156080, 247777, 249728, 312160, 495554, 624320, 991108, 1238885, 1248640, 1982216, 2477770, 3964432, 4955540, 7928864, 9911080, 15857728, 19822160, 31715456, 39644320, 79288640, 158577280]

約数ペア:

[(1, 158577280), (2, 79288640), (4, 39644320), (5, 31715456), (8, 19822160), (10, 15857728), (16, 9911080), (20, 7928864), (32, 4955540), (40, 3964432), (64, 2477770), (80, 1982216), (127, 1248640), (128, 1238885), (160, 991108), (254, 624320), (320, 495554), (508, 312160), (635, 249728), (640, 247777), (1016, 156080), (1270, 124864), (1951, 81280), (2032, 78040), (2540, 62432), (3902, 40640), (4064, 39020), (5080, 31216), (7804, 20320), (8128, 19510), (9755, 16256), (10160, 15608)]