399642571920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1665177383}}^1$

素因数の和:1665177399

約数の個数: 40

約数和(自身を含む): 1238891973696

約数和(自身を除く): 839249401776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1665177383, 3330354766, 4995532149, 6660709532, 8325886915, 9991064298, 13321419064, 16651773830, 19982128596, 24977660745, 26642838128, 33303547660, 39964257192, 49955321490, 66607095320, 79928514384, 99910642980, 133214190640, 199821285960, 399642571920]

約数ペア:

[(1, 399642571920), (2, 199821285960), (3, 133214190640), (4, 99910642980), (5, 79928514384), (6, 66607095320), (8, 49955321490), (10, 39964257192), (12, 33303547660), (15, 26642838128), (16, 24977660745), (20, 19982128596), (24, 16651773830), (30, 13321419064), (40, 9991064298), (48, 8325886915), (60, 6660709532), (80, 4995532149), (120, 3330354766), (240, 1665177383)]