154397440

素因数分解:

$2^8\times 5^1\times {\mathrm{120623}}^1$

素因数の和:120644

約数の個数: 36

約数和(自身を含む): 369833184

約数和(自身を除く): 215435744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 120623, 241246, 482492, 603115, 964984, 1206230, 1929968, 2412460, 3859936, 4824920, 7719872, 9649840, 15439744, 19299680, 30879488, 38599360, 77198720, 154397440]

約数ペア:

[(1, 154397440), (2, 77198720), (4, 38599360), (5, 30879488), (8, 19299680), (10, 15439744), (16, 9649840), (20, 7719872), (32, 4824920), (40, 3859936), (64, 2412460), (80, 1929968), (128, 1206230), (160, 964984), (256, 603115), (320, 482492), (640, 241246), (1280, 120623)]