212516720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1609}}^1$

素因数の和:1762

約数の個数: 80

約数和(自身を含む): 536632320

約数和(自身を除く): 324115600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1609, 1651, 2032, 2540, 3218, 3302, 5080, 6436, 6604, 8045, 8255, 10160, 12872, 13208, 16090, 16510, 20917, 25744, 26416, 32180, 33020, 41834, 64360, 66040, 83668, 104585, 128720, 132080, 167336, 204343, 209170, 334672, 408686, 418340, 817372, 836680, 1021715, 1634744, 1673360, 2043430, 2656459, 3269488, 4086860, 5312918, 8173720, 10625836, 13282295, 16347440, 21251672, 26564590, 42503344, 53129180, 106258360, 212516720]

約数ペア:

[(1, 212516720), (2, 106258360), (4, 53129180), (5, 42503344), (8, 26564590), (10, 21251672), (13, 16347440), (16, 13282295), (20, 10625836), (26, 8173720), (40, 5312918), (52, 4086860), (65, 3269488), (80, 2656459), (104, 2043430), (127, 1673360), (130, 1634744), (208, 1021715), (254, 836680), (260, 817372), (508, 418340), (520, 408686), (635, 334672), (1016, 209170), (1040, 204343), (1270, 167336), (1609, 132080), (1651, 128720), (2032, 104585), (2540, 83668), (3218, 66040), (3302, 64360), (5080, 41834), (6436, 33020), (6604, 32180), (8045, 26416), (8255, 25744), (10160, 20917), (12872, 16510), (13208, 16090)]