27078820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 62403264

約数和(自身を除く): 35324444

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 43, 46, 74, 86, 92, 115, 148, 172, 185, 215, 230, 370, 430, 460, 740, 851, 860, 989, 1369, 1591, 1702, 1978, 2738, 3182, 3404, 3956, 4255, 4945, 5476, 6364, 6845, 7955, 8510, 9890, 13690, 15910, 17020, 19780, 27380, 31487, 31820, 36593, 58867, 62974, 73186, 117734, 125948, 146372, 157435, 182965, 235468, 294335, 314870, 365930, 588670, 629740, 731860, 1177340, 1353941, 2707882, 5415764, 6769705, 13539410, 27078820]

約数ペア:

[(1, 27078820), (2, 13539410), (4, 6769705), (5, 5415764), (10, 2707882), (20, 1353941), (23, 1177340), (37, 731860), (43, 629740), (46, 588670), (74, 365930), (86, 314870), (92, 294335), (115, 235468), (148, 182965), (172, 157435), (185, 146372), (215, 125948), (230, 117734), (370, 73186), (430, 62974), (460, 58867), (740, 36593), (851, 31820), (860, 31487), (989, 27380), (1369, 19780), (1591, 17020), (1702, 15910), (1978, 13690), (2738, 9890), (3182, 8510), (3404, 7955), (3956, 6845), (4255, 6364), (4945, 5476)]