27168860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 62215776

約数和(自身を除く): 35046916

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 71, 76, 95, 106, 142, 190, 212, 265, 284, 355, 361, 380, 530, 710, 722, 1007, 1060, 1349, 1420, 1444, 1805, 2014, 2698, 3610, 3763, 4028, 5035, 5396, 6745, 7220, 7526, 10070, 13490, 15052, 18815, 19133, 20140, 25631, 26980, 37630, 38266, 51262, 71497, 75260, 76532, 95665, 102524, 128155, 142994, 191330, 256310, 285988, 357485, 382660, 512620, 714970, 1358443, 1429940, 2716886, 5433772, 6792215, 13584430, 27168860]

約数ペア:

[(1, 27168860), (2, 13584430), (4, 6792215), (5, 5433772), (10, 2716886), (19, 1429940), (20, 1358443), (38, 714970), (53, 512620), (71, 382660), (76, 357485), (95, 285988), (106, 256310), (142, 191330), (190, 142994), (212, 128155), (265, 102524), (284, 95665), (355, 76532), (361, 75260), (380, 71497), (530, 51262), (710, 38266), (722, 37630), (1007, 26980), (1060, 25631), (1349, 20140), (1420, 19133), (1444, 18815), (1805, 15052), (2014, 13490), (2698, 10070), (3610, 7526), (3763, 7220), (4028, 6745), (5035, 5396)]