8139930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 20901888

約数和(自身を除く): 12761958

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 47, 69, 94, 115, 138, 141, 230, 235, 251, 282, 345, 470, 502, 690, 705, 753, 1081, 1255, 1410, 1506, 2162, 2510, 3243, 3765, 5405, 5773, 6486, 7530, 10810, 11546, 11797, 16215, 17319, 23594, 28865, 32430, 34638, 35391, 57730, 58985, 70782, 86595, 117970, 173190, 176955, 271331, 353910, 542662, 813993, 1356655, 1627986, 2713310, 4069965, 8139930]

約数ペア:

[(1, 8139930), (2, 4069965), (3, 2713310), (5, 1627986), (6, 1356655), (10, 813993), (15, 542662), (23, 353910), (30, 271331), (46, 176955), (47, 173190), (69, 117970), (94, 86595), (115, 70782), (138, 58985), (141, 57730), (230, 35391), (235, 34638), (251, 32430), (282, 28865), (345, 23594), (470, 17319), (502, 16215), (690, 11797), (705, 11546), (753, 10810), (1081, 7530), (1255, 6486), (1410, 5773), (1506, 5405), (2162, 3765), (2510, 3243)]