156920320

素因数分解:

$2^9\times 5^1\times {\mathrm{61297}}^1$

素因数の和:61320

約数の個数: 40

約数和(自身を含む): 376247124

約数和(自身を除く): 219326804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 61297, 122594, 245188, 306485, 490376, 612970, 980752, 1225940, 1961504, 2451880, 3923008, 4903760, 7846016, 9807520, 15692032, 19615040, 31384064, 39230080, 78460160, 156920320]

約数ペア:

[(1, 156920320), (2, 78460160), (4, 39230080), (5, 31384064), (8, 19615040), (10, 15692032), (16, 9807520), (20, 7846016), (32, 4903760), (40, 3923008), (64, 2451880), (80, 1961504), (128, 1225940), (160, 980752), (256, 612970), (320, 490376), (512, 306485), (640, 245188), (1280, 122594), (2560, 61297)]