71557720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{571}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 174414240

約数和(自身を除く): 102856520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 241, 260, 482, 520, 571, 964, 1142, 1205, 1928, 2284, 2410, 2855, 3133, 4568, 4820, 5710, 6266, 7423, 9640, 11420, 12532, 14846, 15665, 22840, 25064, 29692, 31330, 37115, 59384, 62660, 74230, 125320, 137611, 148460, 275222, 296920, 550444, 688055, 1100888, 1376110, 1788943, 2752220, 3577886, 5504440, 7155772, 8944715, 14311544, 17889430, 35778860, 71557720]

約数ペア:

[(1, 71557720), (2, 35778860), (4, 17889430), (5, 14311544), (8, 8944715), (10, 7155772), (13, 5504440), (20, 3577886), (26, 2752220), (40, 1788943), (52, 1376110), (65, 1100888), (104, 688055), (130, 550444), (241, 296920), (260, 275222), (482, 148460), (520, 137611), (571, 125320), (964, 74230), (1142, 62660), (1205, 59384), (1928, 37115), (2284, 31330), (2410, 29692), (2855, 25064), (3133, 22840), (4568, 15665), (4820, 14846), (5710, 12532), (6266, 11420), (7423, 9640)]