399391920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{554711}}^1$

素因数の和:554730

約数の個数: 60

約数和(自身を含む): 1341293616

約数和(自身を除く): 941901696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 554711, 1109422, 1664133, 2218844, 2773555, 3328266, 4437688, 4992399, 5547110, 6656532, 8320665, 8875376, 9984798, 11094220, 13313064, 16641330, 19969596, 22188440, 24961995, 26626128, 33282660, 39939192, 44376880, 49923990, 66565320, 79878384, 99847980, 133130640, 199695960, 399391920]

約数ペア:

[(1, 399391920), (2, 199695960), (3, 133130640), (4, 99847980), (5, 79878384), (6, 66565320), (8, 49923990), (9, 44376880), (10, 39939192), (12, 33282660), (15, 26626128), (16, 24961995), (18, 22188440), (20, 19969596), (24, 16641330), (30, 13313064), (36, 11094220), (40, 9984798), (45, 8875376), (48, 8320665), (60, 6656532), (72, 5547110), (80, 4992399), (90, 4437688), (120, 3328266), (144, 2773555), (180, 2218844), (240, 1664133), (360, 1109422), (720, 554711)]