138689820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{28537}}^1$

素因数の和:28561

約数の個数: 72

約数和(自身を含む): 436288944

約数和(自身を除く): 297599124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 28537, 57074, 85611, 114148, 142685, 171222, 256833, 285370, 342444, 428055, 513666, 570740, 770499, 856110, 1027332, 1284165, 1540998, 1712220, 2311497, 2568330, 3081996, 3852495, 4622994, 5136660, 6934491, 7704990, 9245988, 11557485, 13868982, 15409980, 23114970, 27737964, 34672455, 46229940, 69344910, 138689820]

約数ペア:

[(1, 138689820), (2, 69344910), (3, 46229940), (4, 34672455), (5, 27737964), (6, 23114970), (9, 15409980), (10, 13868982), (12, 11557485), (15, 9245988), (18, 7704990), (20, 6934491), (27, 5136660), (30, 4622994), (36, 3852495), (45, 3081996), (54, 2568330), (60, 2311497), (81, 1712220), (90, 1540998), (108, 1284165), (135, 1027332), (162, 856110), (180, 770499), (243, 570740), (270, 513666), (324, 428055), (405, 342444), (486, 285370), (540, 256833), (810, 171222), (972, 142685), (1215, 114148), (1620, 85611), (2430, 57074), (4860, 28537)]