30688840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8431}}^1$

素因数の和:8462

約数の個数: 64

約数和(自身を含む): 84994560

約数和(自身を除く): 54305720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 8431, 16862, 33724, 42155, 59017, 67448, 84310, 109603, 118034, 168620, 219206, 236068, 295085, 337240, 438412, 472136, 548015, 590170, 767221, 876824, 1096030, 1180340, 1534442, 2192060, 2360680, 3068884, 3836105, 4384120, 6137768, 7672210, 15344420, 30688840]

約数ペア:

[(1, 30688840), (2, 15344420), (4, 7672210), (5, 6137768), (7, 4384120), (8, 3836105), (10, 3068884), (13, 2360680), (14, 2192060), (20, 1534442), (26, 1180340), (28, 1096030), (35, 876824), (40, 767221), (52, 590170), (56, 548015), (65, 472136), (70, 438412), (91, 337240), (104, 295085), (130, 236068), (140, 219206), (182, 168620), (260, 118034), (280, 109603), (364, 84310), (455, 67448), (520, 59017), (728, 42155), (910, 33724), (1820, 16862), (3640, 8431)]