161819910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{85619}}^1$

素因数の和:85642

約数の個数: 64

約数和(自身を含む): 493171200

約数和(自身を除く): 331351290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 85619, 171238, 256857, 428095, 513714, 599333, 770571, 856190, 1198666, 1284285, 1541142, 1797999, 2311713, 2568570, 2996665, 3595998, 3852855, 4623426, 5393997, 5993330, 7705710, 8989995, 10787994, 11558565, 16181991, 17979990, 23117130, 26969985, 32363982, 53939970, 80909955, 161819910]

約数ペア:

[(1, 161819910), (2, 80909955), (3, 53939970), (5, 32363982), (6, 26969985), (7, 23117130), (9, 17979990), (10, 16181991), (14, 11558565), (15, 10787994), (18, 8989995), (21, 7705710), (27, 5993330), (30, 5393997), (35, 4623426), (42, 3852855), (45, 3595998), (54, 2996665), (63, 2568570), (70, 2311713), (90, 1797999), (105, 1541142), (126, 1284285), (135, 1198666), (189, 856190), (210, 770571), (270, 599333), (315, 513714), (378, 428095), (630, 256857), (945, 171238), (1890, 85619)]