780156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1667}}^1$

素因数の和:1690

約数の個数: 36

約数和(自身を含む): 2125032

約数和(自身を除く): 1344876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 1667, 3334, 5001, 6668, 10002, 15003, 20004, 21671, 30006, 43342, 60012, 65013, 86684, 130026, 195039, 260052, 390078, 780156]

約数ペア:

[(1, 780156), (2, 390078), (3, 260052), (4, 195039), (6, 130026), (9, 86684), (12, 65013), (13, 60012), (18, 43342), (26, 30006), (36, 21671), (39, 20004), (52, 15003), (78, 10002), (117, 6668), (156, 5001), (234, 3334), (468, 1667)]