155900320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51283}}^1$

素因数の和:51317

約数の個数: 48

約数和(自身を含む): 387707040

約数和(自身を除く): 231806720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 51283, 102566, 205132, 256415, 410264, 512830, 820528, 974377, 1025660, 1641056, 1948754, 2051320, 3897508, 4102640, 4871885, 7795016, 8205280, 9743770, 15590032, 19487540, 31180064, 38975080, 77950160, 155900320]

約数ペア:

[(1, 155900320), (2, 77950160), (4, 38975080), (5, 31180064), (8, 19487540), (10, 15590032), (16, 9743770), (19, 8205280), (20, 7795016), (32, 4871885), (38, 4102640), (40, 3897508), (76, 2051320), (80, 1948754), (95, 1641056), (152, 1025660), (160, 974377), (190, 820528), (304, 512830), (380, 410264), (608, 256415), (760, 205132), (1520, 102566), (3040, 51283)]