1915691820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{8431}}^1$

素因数の和:8991

約数の個数: 96

約数和(自身を含む): 6142273536

約数和(自身を除く): 4226581716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 541, 1082, 1623, 2164, 2705, 3246, 3787, 5410, 6492, 7574, 8115, 8431, 10820, 11361, 15148, 16230, 16862, 18935, 22722, 25293, 32460, 33724, 37870, 42155, 45444, 50586, 56805, 59017, 75740, 84310, 101172, 113610, 118034, 126465, 168620, 177051, 227220, 236068, 252930, 295085, 354102, 505860, 590170, 708204, 885255, 1180340, 1770510, 3541020, 4561171, 9122342, 13683513, 18244684, 22805855, 27367026, 31928197, 45611710, 54734052, 63856394, 68417565, 91223420, 95784591, 127712788, 136835130, 159640985, 191569182, 273670260, 319281970, 383138364, 478922955, 638563940, 957845910, 1915691820]

約数ペア:

[(1, 1915691820), (2, 957845910), (3, 638563940), (4, 478922955), (5, 383138364), (6, 319281970), (7, 273670260), (10, 191569182), (12, 159640985), (14, 136835130), (15, 127712788), (20, 95784591), (21, 91223420), (28, 68417565), (30, 63856394), (35, 54734052), (42, 45611710), (60, 31928197), (70, 27367026), (84, 22805855), (105, 18244684), (140, 13683513), (210, 9122342), (420, 4561171), (541, 3541020), (1082, 1770510), (1623, 1180340), (2164, 885255), (2705, 708204), (3246, 590170), (3787, 505860), (5410, 354102), (6492, 295085), (7574, 252930), (8115, 236068), (8431, 227220), (10820, 177051), (11361, 168620), (15148, 126465), (16230, 118034), (16862, 113610), (18935, 101172), (22722, 84310), (25293, 75740), (32460, 59017), (33724, 56805), (37870, 50586), (42155, 45444)]