64518490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 128304000

約数和(自身を除く): 63785510

約数列:

[1, 2, 5, 10, 19, 38, 43, 53, 86, 95, 106, 149, 190, 215, 265, 298, 430, 530, 745, 817, 1007, 1490, 1634, 2014, 2279, 2831, 4085, 4558, 5035, 5662, 6407, 7897, 8170, 10070, 11395, 12814, 14155, 15794, 22790, 28310, 32035, 39485, 43301, 64070, 78970, 86602, 121733, 150043, 216505, 243466, 300086, 339571, 433010, 608665, 679142, 750215, 1217330, 1500430, 1697855, 3395710, 6451849, 12903698, 32259245, 64518490]

約数ペア:

[(1, 64518490), (2, 32259245), (5, 12903698), (10, 6451849), (19, 3395710), (38, 1697855), (43, 1500430), (53, 1217330), (86, 750215), (95, 679142), (106, 608665), (149, 433010), (190, 339571), (215, 300086), (265, 243466), (298, 216505), (430, 150043), (530, 121733), (745, 86602), (817, 78970), (1007, 64070), (1490, 43301), (1634, 39485), (2014, 32035), (2279, 28310), (2831, 22790), (4085, 15794), (4558, 14155), (5035, 12814), (5662, 11395), (6407, 10070), (7897, 8170)]