78863940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438133}}^1$

素因数の和:438148

約数の個数: 36

約数和(自身を含む): 239221164

約数和(自身を除く): 160357224

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438133, 876266, 1314399, 1752532, 2190665, 2628798, 3943197, 4381330, 5257596, 6571995, 7886394, 8762660, 13143990, 15772788, 19715985, 26287980, 39431970, 78863940]

約数ペア:

[(1, 78863940), (2, 39431970), (3, 26287980), (4, 19715985), (5, 15772788), (6, 13143990), (9, 8762660), (10, 7886394), (12, 6571995), (15, 5257596), (18, 4381330), (20, 3943197), (30, 2628798), (36, 2190665), (45, 1752532), (60, 1314399), (90, 876266), (180, 438133)]